{"title":"Audio \u0026 Amplifier Boards","description":"\u003ch1\u003eAudio \u0026amp; Amplifier Boards\u003c\/h1\u003e\n\n\u003cp\u003eWhether you're building a hi-fi stereo system from scratch, upgrading your DJ mixer, or engineering a custom speaker cabinet, our \u003cstrong\u003eAudio \u0026amp; Amplifier Boards\u003c\/strong\u003e collection has everything you need. Explore a curated range of high-quality electronic components including digital amplifier boards, speaker crossovers, signal isolators, sliding faders, motorized potentiometers, Bluetooth decoder modules, and much more. Designed for DIY enthusiasts, audio engineers, and hobbyists alike, these components deliver professional-grade performance at an accessible price point.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Shop Our Audio \u0026amp; Amplifier Boards?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Selection:\u003c\/strong\u003e From compact signal amplifier modules to full-featured crossover boards, we carry components for every stage of your audio build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly:\u003c\/strong\u003e All components are designed with makers in mind — clear pinouts, standard footprints, and broad compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Components:\u003c\/strong\u003e Sourced from reputable manufacturers to ensure low noise, accurate frequency response, and long-lasting reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for home audio, car audio, studio equipment, PA systems, DJ setups, and experimental electronics projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFeatured Products\u003c\/h2\u003e\n\u003cp\u003eKick off your next build with some of our most popular components:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/2-channel-digital-amplifier-board-2x50w-dc-12v-25v\"\u003e2.0 Channel Digital Amplifier Board 2×50W DC 12V–25V\u003c\/a\u003e — A powerful stereo amp board perfect for bookshelf speakers or car audio systems, delivering up to 50W per channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/3-way-electronic-crossover-board-6-channel-stereo-diy-audio\"\u003e3-Way Electronic Crossover Board 6-Channel Stereo DIY Audio\u003c\/a\u003e — Precisely splits your audio signal into highs, mids, and lows for a cleaner, more defined soundstage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/bluetooth-5-mp3-decoder-board-diy-audio-receiver-module-5-pack\"\u003e5-Pack Bluetooth 5.0 MP3 Decoder Board – DIY Audio Module\u003c\/a\u003e — Add wireless audio streaming to any project with this easy-to-integrate Bluetooth 5.0 receiver module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/2-channel-passive-audio-isolator-6-5mm-xlr-input-output\"\u003e2-Channel Passive Audio Isolator | 6.5mm \u0026amp; XLR | HpLive\u003c\/a\u003e — Eliminate ground loop hum and interference in live or studio environments with this passive dual-channel isolator.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/128mm-b10k-sliding-fader-8-pin-t-handle-audio-mixer-potentiometer\"\u003e128mm B10K Sliding Fader 8-Pin T-Handle | Audio Mixer\u003c\/a\u003e — A smooth, precision sliding fader ideal for audio mixer repairs or custom console builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplore the Full Collection\u003c\/h2\u003e\n\u003cp\u003eBeyond amplifier boards and crossovers, our collection also includes specialty parts like \u003ca href=\"\/products\/3-pack-30w-lm1875-audio-amplifier-board-diy-single-channel\"\u003e30W LM1875 Audio Amplifier Boards\u003c\/a\u003e for vintage-style single-channel builds, \u003ca href=\"\/products\/4-gang-16-pin-motorized-potentiometer-b50k-b100k-audio-volume-control\"\u003e4-Gang Motorized Potentiometers\u003c\/a\u003e for remote-controlled volume systems, and \u003ca href=\"\/products\/2-way-3-way-speaker-crossover-pcb-board-diy-audio-splitter\"\u003e2-Way\/3-Way Speaker Crossover PCB Boards\u003c\/a\u003e for passive speaker builds. No matter your project complexity, you'll find the right piece here.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is an audio amplifier board and how do I choose the right one for my project?\u003c\/h4\u003e\n\u003cp\u003eA: An audio amplifier board is a pre-assembled PCB that boosts a low-level audio signal to drive speakers. To choose the right board, consider the output power (watts per channel), operating voltage (e.g., DC 12V–25V), number of channels (mono, stereo, or multi-channel), and the impedance of your speakers (typically 4Ω or 8Ω). Our \u003ca href=\"\/products\/2-channel-digital-amplifier-board-2x50w-dc-12v-25v\"\u003e2×50W Digital Amplifier Board\u003c\/a\u003e is a great starting point for most stereo applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does a speaker crossover board do and do I need one?\u003c\/h4\u003e\n\u003cp\u003eA: A speaker crossover board splits a full-range audio signal into separate frequency bands (highs, mids, and lows) and routes each band to the appropriate driver — tweeter, midrange, or woofer. If you're building a multi-driver speaker system, a crossover is essential to prevent distortion, protect drivers from out-of-range frequencies, and achieve a balanced, accurate sound. Check out our \u003ca href=\"\/products\/3-way-electronic-crossover-board-6-channel-stereo-diy-audio\"\u003e3-Way Electronic Crossover Board\u003c\/a\u003e for a fully active solution.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is a passive audio isolator and when should I use one?\u003c\/h4\u003e\n\u003cp\u003eA: A passive audio isolator uses transformer-based isolation to break ground loops — a common cause of hum and buzz in audio systems. It requires no external power and works with balanced (XLR) or unbalanced (6.5mm) connections. It's ideal for live sound setups, recording studios, or any scenario where multiple pieces of gear share the same power source and create interference.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these audio and amplifier components suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! Many of our components, such as the \u003ca href=\"\/products\/bluetooth-5-mp3-decoder-board-diy-audio-receiver-module-5-pack\"\u003eBluetooth 5.0 MP3 Decoder Boards\u003c\/a\u003e and \u003ca href=\"\/products\/4-pack-lm358-signal-amplifier-modules-adjustable-potentiometers-dc\"\u003eLM358 Signal Amplifier Modules\u003c\/a\u003e, are beginner-friendly with straightforward wiring and minimal external components required. We recommend starting with a clear project goal, reviewing the datasheet for your chosen board, and working up to more complex builds as your confidence grows.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these amplifier boards in a car audio system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Many of our amplifier boards, including the \u003ca href=\"\/products\/2-channel-digital-amplifier-board-2x50w-dc-12v-25v\"\u003e2.0 Channel Digital Amplifier Board\u003c\/a\u003e, operate within the DC 12V–25V range, making them compatible with standard 12V automotive electrical systems. Always verify the board's input voltage range, power consumption, and speaker impedance requirements against your vehicle's setup before installing.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is an audio amplifier board and how do I choose the right one for my project?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An audio amplifier board is a pre-assembled PCB that boosts a low-level audio signal to drive speakers. To choose the right board, consider the output power (watts per channel), operating voltage (e.g., DC 12V–25V), number of channels (mono, stereo, or multi-channel), and the impedance of your speakers (typically 4Ω or 8Ω). Our 2×50W Digital Amplifier Board is a great starting point for most stereo applications.\"}}, {\"@type\": \"Question\", \"name\": \"What does a speaker crossover board do and do I need one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A speaker crossover board splits a full-range audio signal into separate frequency bands (highs, mids, and lows) and routes each band to the appropriate driver — tweeter, midrange, or woofer. If you're building a multi-driver speaker system, a crossover is essential to prevent distortion, protect drivers from out-of-range frequencies, and achieve a balanced, accurate sound. Check out our 3-Way Electronic Crossover Board for a fully active solution.\"}}, {\"@type\": \"Question\", \"name\": \"What is a passive audio isolator and when should I use one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A passive audio isolator uses transformer-based isolation to break ground loops — a common cause of hum and buzz in audio systems. It requires no external power and works with balanced (XLR) or unbalanced (6.5mm) connections. It's ideal for live sound setups, recording studios, or any scenario where multiple pieces of gear share the same power source and create interference.\"}}, {\"@type\": \"Question\", \"name\": \"Are these audio and amplifier components suitable for beginners?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely! Many of our components, such as the Bluetooth 5.0 MP3 Decoder Boards and LM358 Signal Amplifier Modules, are beginner-friendly with straightforward wiring and minimal external components required. We recommend starting with a clear project goal, reviewing the datasheet for your chosen board, and working up to more complex builds as your confidence grows.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use these amplifier boards in a car audio system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! Many of our amplifier boards, including the 2.0 Channel Digital Amplifier Board, operate within the DC 12V–25V range, making them compatible with standard 12V automotive electrical systems. Always verify the board's input voltage range, power consumption, and speaker impedance requirements against your vehicle's setup before installing.\"}}]}\u003c\/script\u003e","products":[{"product_id":"pam8403-bluetooth-5-stereo-amplifier-board-2x5w-dual-channel-dc5v-diy","title":"PAM8403 Bluetooth 5.0 Stereo Amplifier Board 2×5W DC5V DIY","description":"\n\u003ch2\u003ePAM8403 Bluetooth 5.0 DIY Stereo Amplifier Board – 2×5W Dual Channel\u003c\/h2\u003e\n\u003cp\u003eBuild your own wireless speaker system with this compact and capable \u003cstrong\u003ePAM8403 Audio Power Amplifier Board\u003c\/strong\u003e. Featuring \u003cstrong\u003eBluetooth 5.0 connectivity\u003c\/strong\u003e, dual-channel output (5W × 2), and a low-profile form factor, this board is the perfect core for DIY audio projects, custom speaker builds, and electronics hobbyist setups. Powered by just \u003cstrong\u003eDC 5V\u003c\/strong\u003e, it's easy to integrate into a wide range of portable or desktop speaker designs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0:\u003c\/strong\u003e Stable, low-latency wireless audio streaming from phones, tablets, and computers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePAM8403 Chip:\u003c\/strong\u003e Delivers clean, efficient audio amplification at up to 5W per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Channel (2×5W):\u003c\/strong\u003e True stereo output for full, immersive sound reproduction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4× Magnification:\u003c\/strong\u003e Boosts input audio signal with minimal distortion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 5V Supply:\u003c\/strong\u003e USB-powered friendly — ideal for portable and low-voltage builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e 45×42×25mm footprint fits easily into custom enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Ready:\u003c\/strong\u003e Mounting holes (38×35mm spacing) make installation straightforward\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eXH-A158 (PAM8403)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e5W × 2 (Dual Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e4×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003ePAM8403 × 1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e45 × 42 × 25 mm (1.77 × 1.65 × 0.98 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMounting Hole Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e38 × 35 mm (1.5 × 1.38 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e22 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTroubleshooting Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth indicator not flashing or stays on:\u003c\/strong\u003e Check pairing mode and ensure no other device is already connected. If the issue persists, contact customer support.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaptop\/desktop won't connect:\u003c\/strong\u003e Outdated Bluetooth drivers are a common cause. Uninstall and reinstall the latest driver from your device manufacturer's website.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound distortion at high volume:\u003c\/strong\u003e Ensure your power supply is rated at DC 5V and adequate current. A mismatch between amplifier output and speaker impedance can cause distortion — verify speaker compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackground noise during playback:\u003c\/strong\u003e Some hum can occur with low-quality power supplies. Use a stable, filtered 5V source for cleanest audio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PAM8403 Audio Power Amplifier Board (XH-A158)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You Might Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the PAM8403 amplifier board require?\u003c\/h4\u003e\n\u003cp\u003eA: The PAM8403 DIY amplifier board operates on DC 5V, making it compatible with standard USB power supplies and power banks. Ensure your power source can deliver sufficient current (at least 1A recommended) to prevent audio distortion at higher volumes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this Bluetooth 5.0 amplifier board connect to a laptop or PC?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board uses Bluetooth 5.0 and can pair with any Bluetooth-enabled device, including smartphones, tablets, laptops, and desktops. If your laptop fails to connect, updating or reinstalling your Bluetooth drivers typically resolves the issue.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speaker impedance and wattage should I pair with this board?\u003c\/h4\u003e\n\u003cp\u003eA: This board delivers up to 5W per channel (5W × 2). It is best matched with 4Ω or 8Ω speakers rated at 5W or higher. Using underpowered or mismatched speakers at maximum volume can cause distortion or damage to the speakers, so always verify compatibility before building.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this amplifier board suitable for beginners in DIY electronics?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact size, standard mounting holes (38×35mm spacing), and straightforward DC 5V power requirement make the PAM8403 board an excellent entry-level component for DIY speaker projects, electronics kits, and hobbyist audio builds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the PAM8403 amplifier board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PAM8403 DIY amplifier board operates on DC 5V, making it compatible with standard USB power supplies and power banks. Ensure your power source can deliver sufficient current (at least 1A recommended) to prevent audio distortion at higher volumes.\"}}, {\"@type\": \"Question\", \"name\": \"Can this Bluetooth 5.0 amplifier board connect to a laptop or PC?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The board uses Bluetooth 5.0 and can pair with any Bluetooth-enabled device, including smartphones, tablets, laptops, and desktops. If your laptop fails to connect, updating or reinstalling your Bluetooth drivers typically resolves the issue.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedance and wattage should I pair with this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board delivers up to 5W per channel (5W × 2). It is best matched with 4Ω or 8Ω speakers rated at 5W or higher. Using underpowered or mismatched speakers at maximum volume can cause distortion or damage to the speakers, so always verify compatibility before building.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board suitable for beginners in DIY electronics?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The compact size, standard mounting holes (38×35mm spacing), and straightforward DC 5V power requirement make the PAM8403 board an excellent entry-level component for DIY speaker projects, electronics kits, and hobbyist audio builds.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PAM8403 Bluetooth 5.0 Stereo Amplifier Board 2×5W DC5V DIY\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/pam8403-bluetooth-5-stereo-amplifier-board-2x5w-dual-channel-dc5v-diy\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Default Title","offer_id":41439467339840,"sku":"\u003cnone\u003e","price":13.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S57780d10a60f44b486ff43902ada7d2ay.webp?v=1792421857"},{"product_id":"usb-2-0-external-5-1-channel-optical-audio-sound-card-pc-laptop","title":"USB 2.0 External 5.1 Channel Optical Audio Sound Card for PC","description":"\n\u003ch2\u003eUSB 2.0 External 5.1 Channel Optical Audio Sound Card\u003c\/h2\u003e\n\u003cp\u003eUpgrade your computer's audio instantly with this plug-and-play \u003cstrong\u003eUSB 2.0 External 5.1 Channel Optical Audio Sound Card\u003c\/strong\u003e. No internal sound card? No problem — simply connect via USB and enjoy rich, full-duplex 6-channel surround sound for gaming, movies, music production, and video calls. Compatible with Windows and Mac, it's the easiest way to add high-quality audio to any desktop or laptop.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6-Channel 5.1 Surround Sound\u003c\/strong\u003e — Immersive audio experience for 3D games, HD movies, and multimedia content\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB 2.0 Interface\u003c\/strong\u003e — No drivers needed for most systems; true plug-and-play convenience\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Duplex Audio\u003c\/strong\u003e — Record and play back digital and analog audio simultaneously\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptical (S\/PDIF) Output\u003c\/strong\u003e — Transmits audio data conforming to AES\/EBU, IEC60958, and S\/PDIF standards for pristine digital clarity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Sampling Rates\u003c\/strong\u003e — Supports 32 kHz, 44.1 kHz, and 48 kHz sampling rates in digital recording; 48 kHz in analog recording and digital\/analog playback\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad OS Compatibility\u003c\/strong\u003e — Works with Windows 10 \/ 8 \/ 7 \/ XP \/ 2000 \/ 98 and Apple Mac OS 9.1 \/ Mac OS X (Mac supports two-channel playback)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e — Slim form factor (approx. 15 cm × 3.5 cm × 1.5 cm) fits easily in a laptop bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal USB Sound Card\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 (5.1 Surround)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSampling Rate (Digital Recording)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 kHz, 44.1 kHz, 48 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSampling Rate (Analog Recording)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAES\/EBU, IEC60958, S\/PDIF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWindows 10\/8\/7\/XP\/2000\/98; Mac OS 9.1 \/ OS X\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 15 cm × 3.5 cm × 1.5 cm (5.91\" × 1.38\" × 0.59\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e5.1 Channel Output — What You Need to Know\u003c\/h3\u003e\n\u003cp\u003eTo enjoy true 5.1 surround sound through the optical (fiber) output, your audio source must be a 5.1-channel source (e.g., 3D games or HD movies). Standard MP3 files or 2-channel video content will output in stereo (2-channel) mode only. In digital playback mode, only the Left\/Right (L\/R) PCM audio from a 5.1 channel source can be conveyed.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB 5.1 Audio Sound Card\u003c\/li\u003e\n  \u003cli\u003e1 × CD Driver\u003c\/li\u003e\n  \u003cli\u003e1 × USB Cable\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this USB sound card require driver installation on Windows 10?\u003c\/h4\u003e\n\u003cp\u003eA: For most modern versions of Windows (including Windows 10 and 8), this external USB sound card is plug-and-play and does not require manual driver installation. A CD driver is included for older operating systems such as Windows XP, 2000, and 98, or for any system that may need it.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this sound card output true 5.1 surround sound through the optical port?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, but only when the audio source is a genuine 5.1-channel source, such as a 3D game or HD movie with multi-channel audio. If you play standard stereo MP3 files or 2-channel video, you will receive stereo output. In digital playback mode, only L\/R PCM audio from a 5.1 channel source is conveyed via the optical output.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this USB audio sound card compatible with Mac computers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, it is compatible with Apple Mac OS 9.1 and Mac OS X. Please note that the Mac version supports two-channel (stereo) playback only — full 5.1 surround output is available on Windows systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the physical size of this external sound card?\u003c\/h4\u003e\n\u003cp\u003eA: The sound card measures approximately 15 cm × 3.5 cm × 1.5 cm (5.91\" × 1.38\" × 0.59\"), making it compact and easy to carry alongside your laptop or connect to a desktop PC.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this USB sound card require driver installation on Windows 10?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For most modern versions of Windows (including Windows 10 and 8), this external USB sound card is plug-and-play and does not require manual driver installation. A CD driver is included for older operating systems such as Windows XP, 2000, and 98, or for any system that may need it.\"}}, {\"@type\": \"Question\", \"name\": \"Can this sound card output true 5.1 surround sound through the optical port?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, but only when the audio source is a genuine 5.1-channel source, such as a 3D game or HD movie with multi-channel audio. If you play standard stereo MP3 files or 2-channel video, you will receive stereo output. In digital playback mode, only L\/R PCM audio from a 5.1 channel source is conveyed via the optical output.\"}}, {\"@type\": \"Question\", \"name\": \"Is this USB audio sound card compatible with Mac computers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, it is compatible with Apple Mac OS 9.1 and Mac OS X. Please note that the Mac version supports two-channel (stereo) playback only — full 5.1 surround output is available on Windows systems.\"}}, {\"@type\": \"Question\", \"name\": \"What is the physical size of this external sound card?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The sound card measures approximately 15 cm × 3.5 cm × 1.5 cm (5.91\\\" × 1.38\\\" × 0.59\\\"), making it compact and easy to carry alongside your laptop or connect to a desktop PC.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"USB 2.0 External 5.1 Channel Optical Audio Sound Card for PC\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/usb-2-0-external-5-1-channel-optical-audio-sound-card-pc-laptop\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"black","offer_id":41442446475328,"sku":"14:193","price":40.68,"currency_code":"USD","in_stock":true},{"title":"white","offer_id":41442446508096,"sku":"14:200025551#white","price":40.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/H9fd8d8cde3a046cfb000deda8d7f2c4fY.webp?v=1792447963"},{"product_id":"foam-ball-mic-windscreen-thickening-sponge-cover-5-colors","title":"Foam Ball Mic Windscreen – Thickening Sponge Cover 5 Colors","description":"\n\u003ch2\u003eKeep Your Sound Clean \u0026amp; Clear\u003c\/h2\u003e\n\u003cp\u003eUpgrade your microphone setup with this \u003cstrong\u003ethickening high-density foam ball windscreen\u003c\/strong\u003e. Designed to fit most standard handheld microphones — including those similar in design to the Shure SM58 — this sponge cover effectively reduces wind noise and unwanted breath interference during live performances, recording sessions, karaoke nights, and public speaking events. Available in \u003cstrong\u003e5 vibrant colors\u003c\/strong\u003e so you can match your style or color-code your mics.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🎤 \u003cstrong\u003eThickened High-Density Foam\u003c\/strong\u003e — Extra foam depth provides superior wind noise reduction compared to standard thin covers\u003c\/li\u003e\n  \u003cli\u003e🌈 \u003cstrong\u003e5 Colors Available\u003c\/strong\u003e — Easily identify or personalize your microphone; great for stage performances and group setups\u003c\/li\u003e\n  \u003cli\u003e🔧 \u003cstrong\u003eUniversal Fit\u003c\/strong\u003e — Fits most standard handheld mics with a slight stretch for a secure hold\u003c\/li\u003e\n  \u003cli\u003e📏 \u003cstrong\u003eFlexible Inner Diameter\u003c\/strong\u003e — Min. 40mm (1.57\") to Max. 55mm (2.17\") with a small amount of scalability for a snug fit\u003c\/li\u003e\n  \u003cli\u003e🚫 \u003cstrong\u003eNote:\u003c\/strong\u003e Not designed for use with headset microphones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Foam (TPU + Plastic components)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70mm \/ 2.76\" (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMin Inner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm \/ 1.57\" (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Inner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55mm \/ 2.17\" (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFoam Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10mm \/ 0.39\" (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 (see images for color options)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Mics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMost standard handheld microphones\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Foam Ball Microphone Windscreen Cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat for Any Setup\u003c\/h3\u003e\n\u003cp\u003eWhether you're a vocalist performing on stage, a karaoke enthusiast, a podcaster, or a public speaker, this foam windscreen is a simple, affordable accessory that makes a real difference in your audio quality. The bright color options also make this a fun way to personalize your gear or distinguish between mics in a multi-performer setup.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more DIY and crafting accessories? Check out our \u003ca href=\"\/products\/aluminum-leather-edge-burnishing-polishing-tool-diy-craft\"\u003eAluminum Leather Edge Burnishing \u0026amp; Polishing Tool\u003c\/a\u003e, or browse our \u003ca href=\"\/products\/rotary-hidden-furniture-hinge-folding-door-hardware-pair\"\u003eRotary Hidden Furniture Hinge Folding Door Hardware\u003c\/a\u003e for your next project. Need reliable switching components? See our \u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to monitor settings and lighting, actual colors may vary slightly from product images. Please allow for minor measurement differences due to manual measurement methods.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Will this foam windscreen fit my microphone?\u003c\/h4\u003e\n\u003cp\u003eA: This foam ball mic windscreen is designed to fit most standard handheld microphones with a head diameter between 40mm and 55mm, similar to popular models like the Shure SM58. The material has a slight stretch, allowing it to fit securely over a range of mic sizes. It is NOT compatible with headset microphones.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the foam windscreen help with audio quality?\u003c\/h4\u003e\n\u003cp\u003eA: The thickened high-density foam acts as a barrier against wind gusts and breath plosives — the bursts of air produced by sounds like \"P\" and \"B\" — helping to deliver cleaner, more professional-sounding audio whether you're on stage, recording, or speaking publicly.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I choose a specific color?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This windscreen is available in 5 colors. Please select your preferred color option before adding to your cart. Colors may vary slightly from screen images due to monitor settings.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will this foam windscreen fit my microphone?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This foam ball mic windscreen is designed to fit most standard handheld microphones with a head diameter between 40mm and 55mm, similar to popular models like the Shure SM58. The material has a slight stretch, allowing it to fit securely over a range of mic sizes. It is NOT compatible with headset microphones.\"}}, {\"@type\": \"Question\", \"name\": \"How does the foam windscreen help with audio quality?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The thickened high-density foam acts as a barrier against wind gusts and breath plosives — the bursts of air produced by sounds like \\\"P\\\" and \\\"B\\\" — helping to deliver cleaner, more professional-sounding audio whether you're on stage, recording, or speaking publicly.\"}}, {\"@type\": \"Question\", \"name\": \"Can I choose a specific color?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This windscreen is available in 5 colors. Please select your preferred color option before adding to your cart. Colors may vary slightly from screen images due to monitor settings.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Foam Ball Mic Windscreen – Thickening Sponge Cover 5 Colors\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/foam-ball-mic-windscreen-thickening-sponge-cover-5-colors\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Red","offer_id":41442456961088,"sku":"14:10","price":0.56,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":41442456993856,"sku":"14:29#Black","price":0.53,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":41442457026624,"sku":"14:175#Yellow","price":0.56,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":41442457059392,"sku":"14:173","price":0.56,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":41442457092160,"sku":"14:94#Orange","price":0.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sa81bfdae0f0843db814006a838aaea46r.webp?v=1792448231"},{"product_id":"portable-usb-2-0-external-sound-card-virtual-7-1-channel-stereo-adapter","title":"USB 2.0 External Sound Card – Virtual 7.1 Channel Adapter","description":"\n\u003ch2\u003ePortable USB 2.0 External Sound Card – Virtual 7.1 Channel Stereo Audio Adapter\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio experience instantly with this compact, plug-and-play USB external sound card. Whether you're gaming, streaming, video conferencing, or simply enjoying music, this driverless adapter delivers crisp virtual 7.1 channel stereo sound from any USB 2.0 port — no installation hassle required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Plug \u0026amp; Play:\u003c\/strong\u003e No drivers needed — simply plug into any USB port and enjoy immediate audio output on Windows, Linux, and macOS.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVirtual 7.1 Channel Stereo:\u003c\/strong\u003e Immersive surround-sound experience for music, movies, and gaming.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Bus-Powered:\u003c\/strong\u003e Draws power directly from your USB port — no external power supply required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Audio Jacks:\u003c\/strong\u003e Features a 3.5mm stereo headphone\/speaker output jack and a 3.5mm mono microphone input jack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Function Keys:\u003c\/strong\u003e Dedicated controls for microphone mute, speaker mute, volume up, and volume down — all at your fingertips.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e Microphone mute status and activity LEDs for at-a-glance monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with USB 2.0 full-speed (12 Mbps) and is compatible with USB Audio Device Class 1.0 and USB HID Class 1.1 specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Housing:\u003c\/strong\u003e Lightweight and portable — perfect for home, office, or travel use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e External USB Sound Card\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e USB Type-A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e Virtual 7.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e Stereo Output Jack (3.5mm), Mono Microphone Input Jack (3.5mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction Keys:\u003c\/strong\u003e Mic Mute, Speaker Mute, Volume Up, Volume Down\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e Mic Mute Status, Activity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOS Support:\u003c\/strong\u003e Windows 98SE \/ ME \/ 2000 \/ XP \/ Server 2003 \/ Vista, Linux, macOS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCover Material:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e USB Bus-Powered (no external power needed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB External Sound Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting and screen settings, the actual product color may vary slightly from the images shown.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this USB sound card require any driver installation?\u003c\/h4\u003e\n\u003cp\u003eA: No. This USB external sound card is completely driverless — it uses plug-and-play technology. Simply connect it to your USB 2.0 or higher port and your computer will recognize it automatically. It works with Windows, Linux, and macOS without any additional software.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this USB sound card with a laptop and a desktop computer?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This portable USB 2.0 external sound card is designed to work with both desktop and laptop (notebook) systems. Its compact size makes it ideal for travel and on-the-go use.\u003c\/p\u003e\n\u003ch4\u003eQ: What headphones or microphones are compatible with this sound card?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter features a standard 3.5mm stereo output jack for headphones or speakers, and a 3.5mm mono microphone input jack — compatible with the vast majority of standard 3.5mm headsets and microphones available on the market.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this USB sound card require any driver installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This USB external sound card is completely driverless — it uses plug-and-play technology. Simply connect it to your USB 2.0 or higher port and your computer will recognize it automatically. It works with Windows, Linux, and macOS without any additional software.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this USB sound card with a laptop and a desktop computer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This portable USB 2.0 external sound card is designed to work with both desktop and laptop (notebook) systems. Its compact size makes it ideal for travel and on-the-go use.\"}}, {\"@type\": \"Question\", \"name\": \"What headphones or microphones are compatible with this sound card?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter features a standard 3.5mm stereo output jack for headphones or speakers, and a 3.5mm mono microphone input jack — compatible with the vast majority of standard 3.5mm headsets and microphones available on the market.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"USB 2.0 External Sound Card – Virtual 7.1 Channel Adapter\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/portable-usb-2-0-external-sound-card-virtual-7-1-channel-stereo-adapter\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"black","offer_id":41442468200512,"sku":"14:193","price":2.39,"currency_code":"USD","in_stock":true},{"title":"GRAY","offer_id":41442468233280,"sku":"14:691","price":2.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/H470e3dbb59cd4874858deaa569a1c6438.webp?v=1792448287"},{"product_id":"52mm-mini-full-range-speaker-4-ohm-3w-diy-loudspeaker-unit","title":"52mm Mini Full Range Speaker 4 Ohm 3W DIY Loudspeaker Unit","description":"\u003ch2\u003e52mm Mini Full Range Speaker – 4 Ohm 3W DIY Loudspeaker Unit\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio projects to the next level with this compact \u003cstrong\u003e2-inch (52mm) full range mini speaker\u003c\/strong\u003e. Rated at \u003cstrong\u003e4 ohms \/ 3 watts\u003c\/strong\u003e, it delivers surprisingly well-rounded sound from a small form factor — making it an ideal choice for custom speaker enclosures, portable audio builds, electronic projects, and maker creations.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Range Audio:\u003c\/strong\u003e Handles the entire audio spectrum in one driver — clear highs and solid low-frequency response for its size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact 52mm Diameter:\u003c\/strong\u003e Fits neatly into small enclosures, panels, and custom DIY builds where space is limited.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Ohm \/ 3W Rating:\u003c\/strong\u003e Compatible with a wide variety of low-power amplifier circuits and audio driver boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum \u0026amp; Metal Construction:\u003c\/strong\u003e Durable build quality with a rubber surround for enhanced bass performance and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Friendly:\u003c\/strong\u003e No complex wiring harness — simply solder your leads and install into your project enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52mm \/ 2.05 inches (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Range Speaker Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ Metal with Rubber Surround\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Mini Speaker Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom DIY speaker boxes and enclosures\u003c\/li\u003e\n  \u003cli\u003ePortable Bluetooth speaker builds\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi, Arduino, and microcontroller audio projects\u003c\/li\u003e\n  \u003cli\u003eIntercom and alarm system audio output\u003c\/li\u003e\n  \u003cli\u003eReplacement speaker units in small electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e – great for adding on\/off control to your audio build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e – another versatile component for your DIY electronics toolkit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e – tidy up your speaker wiring connections with professional connectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to monitor settings and lighting, the item's color may appear slightly different from product images. Please allow a small margin of difference due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What amplifier power is recommended for this 4 ohm 3W mini speaker?\u003c\/h4\u003e\n\u003cp\u003eA: This mini speaker is rated at 4 ohms and 3 watts, so it pairs best with low-power amplifier boards or circuits in the 1W–3W range at 4 ohms impedance — commonly available PAM8403 or similar class-D amp modules work great for DIY speaker projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this 52mm speaker unit be used as a replacement in existing devices?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — as long as your device uses a speaker with a 52mm (2-inch) diameter, 4 ohm impedance, and a power handling of 3W or less, this unit can serve as a direct drop-in replacement. Always verify the impedance and power specs of your device before installing.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a single speaker or a stereo pair?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes \u003cstrong\u003eone (1) mini speaker unit\u003c\/strong\u003e. For a stereo setup, you would need to order two units — one for the left channel and one for the right channel of your amplifier.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. 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Always verify the impedance and power specs of your device before installing.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a single speaker or a stereo pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes one (1) mini speaker unit. For a stereo setup, you would need to order two units — one for the left channel and one for the right channel of your amplifier.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"52mm Mini Full Range Speaker 4 Ohm 3W DIY Loudspeaker Unit\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/52mm-mini-full-range-speaker-4-ohm-3w-diy-loudspeaker-unit\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"black","offer_id":41442551693376,"sku":"14:193","price":1.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/H0023ea8088d44b9dba9c72e1d188263ea.webp?v=1792449596"},{"product_id":"zk-502t-stereo-amplifier-board-50w-dual-channel-bluetooth","title":"ZK-502T Stereo Amplifier Board 50W×2 Dual Channel Bluetooth","description":"\n\u003ch2\u003eZK-502T Pre-Amplifier Board – 50W×2 Dual-Channel Stereo Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with the \u003cstrong\u003eZK-502T Stereo Amplifier Board\u003c\/strong\u003e — a high-fidelity, dual-channel power amplifier module built around the renowned \u003cstrong\u003eTPA3116D2 chip\u003c\/strong\u003e. Whether you're building a home entertainment system or a professional audio rig, this compact board delivers rich, clear, immersive sound with adjustable bass and treble controls.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful 50W×2 Output:\u003c\/strong\u003e Drives two channels simultaneously at up to 50W each (at 24V, 4Ω), delivering full, dynamic stereo sound performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBass \u0026amp; Treble Adjustment:\u003c\/strong\u003e Fine-tune your audio profile with independent high and low frequency controls — boost bass for a subwoofer-rich experience or lift the treble for crisp, detailed highs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 + AUX Input:\u003c\/strong\u003e Connect wirelessly via Bluetooth 5.0 (up to 10 meters, unobstructed) or use the standard AUX input for wired sources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium TPA3116D2 Chip:\u003c\/strong\u003e Integrates AM interference suppression for exceptionally clean, stable audio signal transmission and high anti-interference capabilities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protection Mechanisms:\u003c\/strong\u003e Overvoltage, undervoltage, overheating, and short-circuit safeguards protect both the board and your connected speakers during extended use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Power Supply Compatibility:\u003c\/strong\u003e Operates on DC 9–24V \/ 2A or above — higher input voltage yields greater output power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Stereo Output:\u003c\/strong\u003e Supports left and right channel stereo for realistic, full-spectrum audio in any environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZK-502T\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Amplifier Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.0 (Up to 10m unobstructed)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAUX + Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLeft \u0026amp; Right (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9–24V \/ 2A or above\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Speakers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15–100W, 4–8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15W×2 @12V\/8Ω | 30W×2 @12V\/4Ω | 20W×2 @19V\/8Ω | 40W×2 @19V\/4Ω | 30W×2 @24V\/8Ω | 50W×2 @24V\/4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOvervoltage, Undervoltage, Overheating, Short Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 × 7 × 1.5 cm (approx. 3.54\" × 2.76\" × 0.59\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUsage Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsure your audio input signal and power supply voltage\/current are sufficient to achieve maximum output power.\u003c\/li\u003e\n  \u003cli\u003eHigher power supply voltage = greater output power; lower speaker impedance = greater output power.\u003c\/li\u003e\n  \u003cli\u003eAlways use a power supply rated above the actual working load of the amplifier for stable, safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ZK-502T Amplifier Board Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply do I need for the ZK-502T amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The ZK-502T requires a DC 9–24V power supply with a minimum of 2A output. For maximum power (50W×2), use a 24V supply with at least 4A. Always make sure your power supply's wattage rating exceeds the actual working load of the amplifier board.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the ZK-502T amplifier board support Bluetooth connectivity?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ZK-502T features Bluetooth 5.0 with a wireless range of up to 10 meters (unobstructed). It also supports a standard AUX input for wired audio connections, giving you flexible input options.\u003c\/p\u003e\n\u003ch4\u003eQ: What speakers are compatible with this stereo amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The ZK-502T is compatible with speakers rated between 15W and 100W with an impedance of 4–8Ω. For best performance and to protect your speakers, match the speaker impedance and power rating appropriately to your power supply voltage.\u003c\/p\u003e\n\u003ch4\u003eQ: What protection features does the ZK-502T amplifier module include?\u003c\/h4\u003e\n\u003cp\u003eA: This amplifier board features four built-in protection mechanisms: overvoltage, undervoltage, overheating, and short-circuit protection. These safeguards help ensure uninterrupted performance and long-term reliability of both the module and your connected audio equipment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply do I need for the ZK-502T amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ZK-502T requires a DC 9–24V power supply with a minimum of 2A output. For maximum power (50W×2), use a 24V supply with at least 4A. Always make sure your power supply's wattage rating exceeds the actual working load of the amplifier board.\"}}, {\"@type\": \"Question\", \"name\": \"Does the ZK-502T amplifier board support Bluetooth connectivity?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The ZK-502T features Bluetooth 5.0 with a wireless range of up to 10 meters (unobstructed). It also supports a standard AUX input for wired audio connections, giving you flexible input options.\"}}, {\"@type\": \"Question\", \"name\": \"What speakers are compatible with this stereo amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ZK-502T is compatible with speakers rated between 15W and 100W with an impedance of 4–8Ω. For best performance and to protect your speakers, match the speaker impedance and power rating appropriately to your power supply voltage.\"}}, {\"@type\": \"Question\", \"name\": \"What protection features does the ZK-502T amplifier module include?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This amplifier board features four built-in protection mechanisms: overvoltage, undervoltage, overheating, and short-circuit protection. These safeguards help ensure uninterrupted performance and long-term reliability of both the module and your connected audio equipment.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ZK-502T Stereo Amplifier Board 50W×2 Dual Channel Bluetooth\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/zk-502t-stereo-amplifier-board-50w-dual-channel-bluetooth\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Black","offer_id":41442553069632,"sku":"14:10#Black","price":76.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S8793aa43c638404ab1aad09c12a30c11D.webp?v=1792449605"},{"product_id":"digital-to-analog-audio-converter-dac-optical-toslink-coaxial-rca-headphone","title":"Digital to Analog Audio Converter DAC – Optical Toslink \u0026 RCA","description":"\n\u003ch2\u003eCrystal-Clear Sound from Any Digital Source\u003c\/h2\u003e\n\u003cp\u003eUnlock the full potential of your digital audio with this compact \u003cstrong\u003eDigital to Analog Converter (DAC)\u003c\/strong\u003e. Whether you're connecting a TV, Blu-ray player, gaming console, or streaming device, this DAC seamlessly converts digital audio signals into rich, high-fidelity analog sound — no complicated setup required.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Digital Inputs:\u003c\/strong\u003e Supports Optical Toslink SPDIF and Coaxial digital inputs, making it compatible with a wide range of devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Analog Outputs:\u003c\/strong\u003e Delivers audio via L\/R RCA stereo outputs and a 3.5mm headphone jack — connect to speakers, amplifiers, or headphones with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Fidelity Conversion:\u003c\/strong\u003e Precise digital-to-analog conversion ensures accurate, detailed audio reproduction for an immersive listening experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo External Power Required:\u003c\/strong\u003e Operates without a separate power adapter, keeping your setup clean and making it ideal for travel and on-the-go use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Portable Design:\u003c\/strong\u003e Lightweight at just 77g and compact at 22 × 12 × 2.5 cm — slips easily into a bag or drawer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets rigorous European safety and environmental standards for safe, reliable everyday use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptical Toslink SPDIF, Coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL\/R RCA, 3.5mm Headphone Jack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22 × 12 × 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e77g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot Required\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConnecting smart TVs or set-top boxes to analog stereo systems or soundbars\u003c\/li\u003e\n  \u003cli\u003eHome theater and hi-fi audio setups\u003c\/li\u003e\n  \u003cli\u003eGaming consoles with optical audio output\u003c\/li\u003e\n  \u003cli\u003eAudiophiles who want high-quality headphone listening from a digital source\u003c\/li\u003e\n  \u003cli\u003eTravelers and remote workers who need portable audio flexibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What digital input formats does this DAC support?\u003c\/h4\u003e\n\u003cp\u003eA: This Digital to Analog Converter supports both \u003cstrong\u003eOptical Toslink SPDIF\u003c\/strong\u003e and \u003cstrong\u003eCoaxial\u003c\/strong\u003e digital audio inputs, covering the two most common digital output formats found on TVs, Blu-ray players, game consoles, and other home entertainment devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this DAC require an external power supply?\u003c\/h4\u003e\n\u003cp\u003eA: No — this DAC is designed to operate without an external power source, which keeps your setup minimal and makes it easy to use on the go. Simply connect your digital source and analog output device and it's ready to use.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this DAC with headphones?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! In addition to the L\/R RCA stereo outputs for connecting speakers or amplifiers, this unit includes a \u003cstrong\u003e3.5mm headphone jack output\u003c\/strong\u003e, allowing you to listen privately through standard wired headphones.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this DAC compatible with home theater systems?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The combination of Optical Toslink and Coaxial inputs plus RCA outputs makes this DAC an excellent bridge between modern digital devices and traditional analog home theater or hi-fi stereo systems.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What digital input formats does this DAC support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Digital to Analog Converter supports both Optical Toslink SPDIF and Coaxial digital audio inputs, covering the two most common digital output formats found on TVs, Blu-ray players, game consoles, and other home entertainment devices.\"}}, {\"@type\": \"Question\", \"name\": \"Does this DAC require an external power supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this DAC is designed to operate without an external power source, which keeps your setup minimal and makes it easy to use on the go. Simply connect your digital source and analog output device and it's ready to use.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this DAC with headphones?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! In addition to the L\/R RCA stereo outputs for connecting speakers or amplifiers, this unit includes a 3.5mm headphone jack output, allowing you to listen privately through standard wired headphones.\"}}, {\"@type\": \"Question\", \"name\": \"Is this DAC compatible with home theater systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The combination of Optical Toslink and Coaxial inputs plus RCA outputs makes this DAC an excellent bridge between modern digital devices and traditional analog home theater or hi-fi stereo systems.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Digital to Analog Audio Converter DAC – Optical Toslink \u0026 RCA\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/digital-to-analog-audio-converter-dac-optical-toslink-coaxial-rca-headphone\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"HW-25DAyinshipintou \/ USB Type-C","offer_id":41442650193984,"sku":"14:365311#HW-25DAyinshipintou;400079803:23313063559","price":48.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sd1248650739e46e782f2b9cd3112e124J.webp?v=1792455664"},{"product_id":"usb-type-c-sound-card-dsp-enc-noise-cancellation-48khz","title":"USB Type-C Sound Card DSP ENC Noise Cancellation 48kHz","description":"\n\u003ch2\u003eUSB Type-C Sound Card with DSP ENC Noise Cancellation \u0026amp; 48kHz Audio\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with this compact \u003cstrong\u003eUSB Type-C Sound Card\u003c\/strong\u003e. Powered by advanced \u003cstrong\u003eDSP ENC (Environmental Noise Cancellation)\u003c\/strong\u003e technology, it filters out unwanted background noise so your voice and audio come through crisp and clear — whether you're on a video call, recording a podcast, gaming, or live streaming. With a \u003cstrong\u003e48kHz sampling rate\u003c\/strong\u003e, you get high-fidelity audio output that makes a noticeable difference over your device's built-in sound chipset.\u003c\/p\u003e\n\n\u003cp\u003ePlug it into your PC, laptop, or smartphone via USB Type-C and enjoy instant, driver-free setup. No external power source required — it draws power directly from your device's USB port. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDSP ENC Noise Cancellation:\u003c\/strong\u003e Intelligent digital signal processing cuts background noise for cleaner audio during calls, recordings, and streaming sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e48kHz Sampling Rate:\u003c\/strong\u003e High-resolution audio capture and playback for professional-quality sound from any compatible device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal USB Type-C Connectivity:\u003c\/strong\u003e Works seamlessly with PCs, laptops, Android smartphones, and tablets — no drivers needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Portable \u0026amp; Lightweight:\u003c\/strong\u003e Measuring just 12.5 × 7.5 × 1 cm and weighing only 14g, it slips easily into any bag or pocket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBus-Powered:\u003c\/strong\u003e No external power adapter required — powered entirely through your USB connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental compliance standards for reliable, worry-free performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSampling Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Cancellation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDSP ENC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot required (bus-powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5 × 7.5 × 1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis sound card is perfect for remote workers, streamers, podcasters, gamers, and anyone who wants cleaner audio without investing in a full studio setup. Its plug-and-play design means zero technical hurdles — just connect and start producing better sound immediately.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the USB Type-C Sound Card compatible with Windows and Mac computers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This USB Type-C sound card is plug-and-play compatible with Windows, macOS, and most Android devices. No driver installation is required — simply plug it in and your device will recognize it as an external audio interface automatically.\u003c\/p\u003e\n\u003ch4\u003eQ: What does DSP ENC noise cancellation do for my audio?\u003c\/h4\u003e\n\u003cp\u003eA: DSP ENC (Environmental Noise Cancellation) uses digital signal processing to detect and suppress background sounds — such as fan noise, keyboard clicks, or ambient room noise — so that your voice or audio output is clearer and more intelligible during calls, recordings, or streams.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this sound card need an external power supply or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No external power source is needed. The USB Type-C sound card is fully bus-powered, meaning it draws all the power it needs directly from your PC, laptop, or smartphone's USB port.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between this sound card and a regular built-in audio port?\u003c\/h4\u003e\n\u003cp\u003eA: Built-in audio chipsets on most laptops and phones offer basic sound without noise filtering or high-resolution sampling. This dedicated external sound card delivers a 48kHz sampling rate and active DSP ENC noise cancellation, giving you noticeably cleaner audio for both input (microphone) and output (headphones\/speakers).\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the USB Type-C Sound Card compatible with Windows and Mac computers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This USB Type-C sound card is plug-and-play compatible with Windows, macOS, and most Android devices. No driver installation is required — simply plug it in and your device will recognize it as an external audio interface automatically.\"}}, {\"@type\": \"Question\", \"name\": \"What does DSP ENC noise cancellation do for my audio?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"DSP ENC (Environmental Noise Cancellation) uses digital signal processing to detect and suppress background sounds — such as fan noise, keyboard clicks, or ambient room noise — so that your voice or audio output is clearer and more intelligible during calls, recordings, or streams.\"}}, {\"@type\": \"Question\", \"name\": \"Does this sound card need an external power supply or batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No external power source is needed. The USB Type-C sound card is fully bus-powered, meaning it draws all the power it needs directly from your PC, laptop, or smartphone's USB port.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between this sound card and a regular built-in audio port?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Built-in audio chipsets on most laptops and phones offer basic sound without noise filtering or high-resolution sampling. This dedicated external sound card delivers a 48kHz sampling rate and active DSP ENC noise cancellation, giving you noticeably cleaner audio for both input (microphone) and output (headphones\/speakers).\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"USB Type-C Sound Card DSP ENC Noise Cancellation 48kHz\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/usb-type-c-sound-card-dsp-enc-noise-cancellation-48khz\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"TPCjiangzaoYin-Xian \/ USB Type-C","offer_id":41442655273024,"sku":"14:29#TPCjiangzaoYin-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true},{"title":"TPCjiangzaoHui-Xian \/ USB Type-C","offer_id":41442655305792,"sku":"14:350852#TPCjiangzaoHui-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true},{"title":"TPCjiangzaoHei-Xian \/ USB Type-C","offer_id":41442655338560,"sku":"14:350850#TPCjiangzaoHei-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true},{"title":"USBjiangzaoYin-Xian \/ USB Type-C","offer_id":41442655371328,"sku":"14:350686#USBjiangzaoYin-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true},{"title":"USBjiangzaoHui-Xian \/ USB Type-C","offer_id":41442655404096,"sku":"14:365311#USBjiangzaoHui-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true},{"title":"USBjiangzaoHei-Xian \/ USB Type-C","offer_id":41442655436864,"sku":"14:202429827#USBjiangzaoHei-Xian;400079803:23313063559","price":15.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S8c1232c690a44633970b80b27e577e73n.webp?v=1792455696"},{"product_id":"digital-optical-audio-splitter-1-in-2-out-toslink-home-theater-gaming","title":"Digital Optical Audio Splitter 1 In 2 Out | TOSLINK Home Theater","description":"\n\u003ch2\u003eSplit Your Optical Audio Signal — No Quality Loss\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAZZLEEX Digital Optical Audio Splitter\u003c\/strong\u003e lets you connect one TOSLINK (optical fiber) source to two output devices at the same time. Whether you want to run a soundbar and headphones simultaneously, or share audio between a home theater receiver and a gaming headset, this compact splitter handles it all — with minimal signal loss and full Hi-Fi fidelity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-In \/ 2-Out Optical Splitter:\u003c\/strong\u003e Feed a single optical audio source into two devices simultaneously — no extra cables or adapters needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Independent Output Control:\u003c\/strong\u003e Each output operates independently, so one person can enjoy a soundbar while another uses headphones, each at their own preferred volume level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Device Compatibility:\u003c\/strong\u003e Works with PCs, PS4, Xbox, Blu-ray players, soundbars, digital amplifiers, and more — virtually any device with a standard TOSLINK port.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHi-Fi Audio Performance:\u003c\/strong\u003e High-quality optical fiber technology keeps signal loss below 0.2 dBm, supporting uncompressed PCM audio and surround sound formats for a truly immersive listening experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Distance Signal Transmission:\u003c\/strong\u003e Maintains clean, clear audio over cable runs of up to 150 ft (approx. 45 m).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Setup:\u003c\/strong\u003e No drivers, no power supply, no complex configuration — just connect and go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDAZZLEEX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Cable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5m, 1m, 1.5m, 2m, 3m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Loss\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.2 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Transmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 150 ft (~45 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Formats Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCM (uncompressed), Dolby Digital, DTS surround sound\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Digital Optical Audio Splitter (1 Male Input, 2 Male Outputs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHome theater setups with multiple audio output devices\u003c\/li\u003e\n  \u003cli\u003eGaming consoles (PS4, Xbox) connected to both a soundbar and headset\u003c\/li\u003e\n  \u003cli\u003eSharing audio from a PC, Blu-ray player, or AV receiver to two devices\u003c\/li\u003e\n  \u003cli\u003eAnyone who wants dual audio outputs without messy cable runs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this digital optical audio splitter support surround sound formats like Dolby Digital and DTS?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The DAZZLEEX Digital Optical Audio Splitter supports uncompressed PCM stereo audio as well as multi-channel surround sound formats including Dolby Digital and DTS. It is ideal for home theater setups that require high-fidelity audio across both output devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this splitter with my PS4 or Xbox console and a soundbar at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The splitter is fully compatible with PS4, Xbox, PCs, and Blu-ray players. Simply connect your console's TOSLINK output to the splitter's input port, then connect your soundbar and headphone amplifier (or any two TOSLINK-compatible devices) to the two output ports for simultaneous audio playback.\u003c\/p\u003e\n\u003ch4\u003eQ: Is any power supply or driver installation required to use this optical splitter?\u003c\/h4\u003e\n\u003cp\u003eA: No — this is a completely plug-and-play device. It requires no external power supply, no drivers, and no software installation. Just connect your optical cables and your audio will split instantly across both outputs.\u003c\/p\u003e\n\u003ch4\u003eQ: How far can the optical signal travel without quality degradation?\u003c\/h4\u003e\n\u003cp\u003eA: This splitter supports signal transmission over distances of up to 150 ft (approximately 45 meters), with signal loss kept below 0.2 dBm, ensuring clear and consistent audio quality even over longer cable runs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this digital optical audio splitter support surround sound formats like Dolby Digital and DTS?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The DAZZLEEX Digital Optical Audio Splitter supports uncompressed PCM stereo audio as well as multi-channel surround sound formats including Dolby Digital and DTS. It is ideal for home theater setups that require high-fidelity audio across both output devices.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this splitter with my PS4 or Xbox console and a soundbar at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The splitter is fully compatible with PS4, Xbox, PCs, and Blu-ray players. Simply connect your console's TOSLINK output to the splitter's input port, then connect your soundbar and headphone amplifier (or any two TOSLINK-compatible devices) to the two output ports for simultaneous audio playback.\"}}, {\"@type\": \"Question\", \"name\": \"Is any power supply or driver installation required to use this optical splitter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this is a completely plug-and-play device. It requires no external power supply, no drivers, and no software installation. Just connect your optical cables and your audio will split instantly across both outputs.\"}}, {\"@type\": \"Question\", \"name\": \"How far can the optical signal travel without quality degradation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This splitter supports signal transmission over distances of up to 150 ft (approximately 45 meters), with signal loss kept below 0.2 dBm, ensuring clear and consistent audio quality even over longer cable runs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Digital Optical Audio Splitter 1 In 2 Out | TOSLINK Home Theater\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/digital-optical-audio-splitter-1-in-2-out-toslink-home-theater-gaming\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"3 meters \/ China Mainland","offer_id":41447527546944,"sku":"14:173#3 meters;200007763:201336100","price":63.0,"currency_code":"USD","in_stock":true},{"title":"0.5 meters \/ China Mainland","offer_id":41447527579712,"sku":"14:200026864#0.5 meters;200007763:201336100","price":41.38,"currency_code":"USD","in_stock":true},{"title":"1 meter \/ China Mainland","offer_id":41447527612480,"sku":"14:350853#1 meter;200007763:201336100","price":49.46,"currency_code":"USD","in_stock":true},{"title":"1.5 meters \/ China Mainland","offer_id":41447527645248,"sku":"14:10#1.5 meters;200007763:201336100","price":54.58,"currency_code":"USD","in_stock":true},{"title":"2 meters \/ China Mainland","offer_id":41447527678016,"sku":"14:29#2 meters;200007763:201336100","price":58.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S93cfe64d0c474cbea398fb99a347c049a.webp?v=1792554656"},{"product_id":"128mm-b10k-sliding-fader-8-pin-t-handle-audio-mixer-potentiometer","title":"128mm B10K Sliding Fader 8-Pin T-Handle | Audio Mixer","description":"\n\u003ch2\u003e128mm B10K Sliding Fader – 8-Pin T-Handle for Professional Audio Mixers\u003c\/h2\u003e\n\u003cp\u003eUpgrade or repair your audio mixing console with this precision-engineered \u003cstrong\u003e128mm straight sliding potentiometer\u003c\/strong\u003e. Featuring an 8-pin T-handle and a B10K resistance value, this fader delivers smooth, accurate channel control for live sound engineers, studio producers, and DIY electronics enthusiasts alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Pin T-Handle Design:\u003c\/strong\u003e Robust pin layout ensures a secure, stable connection in professional-grade mixing boards and audio consoles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB10K Potentiometer:\u003c\/strong\u003e Linear taper (B10K) provides consistent, repeatable volume and signal control across the full travel range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e128mm Travel Length:\u003c\/strong\u003e Extended 12.8 cm fader stroke allows for fine, precise adjustments during live performances and studio sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Durable Construction:\u003c\/strong\u003e Slim-profile plastic housing fits seamlessly into standard mixer fader slots without modification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for X32, Behringer-style, and many other popular audio mixing setups requiring a straight-slide potentiometer replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eStraight Sliding Potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePin Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e8-Pin T-Handle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eResistance Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eB10K (Linear)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTravel Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e128mm (12.8cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 8-Pin T-Handle B10K 128mm Sliding Fader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-wire-180-degree-washing-machine-timer-switch-semi-automatic\"\u003e3-Wire 180° Washing Machine Timer Switch | Semi-Automatic\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Screen brightness and monitor settings may cause slight color variation from actual product. Allow ±1–2mm manual measurement tolerance.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this sliding fader compatible with the Behringer X32 mixer?\u003c\/h4\u003e\n\u003cp\u003eA: This 128mm B10K 8-pin T-handle sliding fader is commonly used as a replacement part in X32 and similar Behringer-style mixing consoles. We recommend verifying your mixer's exact fader pin layout and travel length before purchase to confirm full compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: What does \"B10K\" mean on a sliding potentiometer?\u003c\/h4\u003e\n\u003cp\u003eA: \"B10K\" indicates a \u003cstrong\u003elinear taper\u003c\/strong\u003e potentiometer with a \u003cstrong\u003e10,000 ohm (10KΩ)\u003c\/strong\u003e resistance value. The \"B\" prefix denotes a linear response curve, meaning the resistance changes evenly and proportionally as you move the fader — ideal for volume faders in audio mixing applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this fader be used for DIY audio projects and custom mixer builds?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact design and standard 8-pin T-handle footprint make this sliding potentiometer a versatile component for DIY audio electronics, custom console builds, or repair projects requiring a straight-slide B10K fader.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this sliding fader compatible with the Behringer X32 mixer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 128mm B10K 8-pin T-handle sliding fader is commonly used as a replacement part in X32 and similar Behringer-style mixing consoles. We recommend verifying your mixer's exact fader pin layout and travel length before purchase to confirm full compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"What does \\\"B10K\\\" mean on a sliding potentiometer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\\\"B10K\\\" indicates a linear taper potentiometer with a 10,000 ohm (10KΩ) resistance value. The \\\"B\\\" prefix denotes a linear response curve, meaning the resistance changes evenly and proportionally as you move the fader — ideal for volume faders in audio mixing applications.\"}}, {\"@type\": \"Question\", \"name\": \"Can this fader be used for DIY audio projects and custom mixer builds?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The compact design and standard 8-pin T-handle footprint make this sliding potentiometer a versatile component for DIY audio electronics, custom console builds, or repair projects requiring a straight-slide B10K fader.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"128mm B10K Sliding Fader 8-Pin T-Handle | Audio Mixer\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/128mm-b10k-sliding-fader-8-pin-t-handle-audio-mixer-potentiometer\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447536590912,"sku":"200007763:201336100","price":9.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S18a184ca55c74af288a1aeb9ada75af7s.webp?v=1792554733"},{"product_id":"6j2p-6j2-vacuum-tube-high-frequency-pentode-preamp-headphone-amp-diy-2pcs","title":"6J2P 6J2 Vacuum Tube High-Frequency Pentode Preamp – 2pcs","description":"\n\u003ch2\u003e6J2P \/ 6J2 Valve Vacuum Tubes – High-Frequency Pentode (Pack of 2)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with these premium \u003cstrong\u003e6J2P (6J1P-EV) high-frequency pentode vacuum tubes\u003c\/strong\u003e. Engineered to strict quality control standards, these glass tubes deliver stable, reliable performance with a pure, warm, and natural tone — ideal for DIY preamp boards, headphone amplifiers, and preamp modules. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose These Vacuum Tubes?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e First grid wound with gold-platinum alloy wire; copper grid riser for superior conductivity and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarm, Natural Sound:\u003c\/strong\u003e Produces a characteristically pure, smooth tone favored by audiophiles and DIY enthusiasts alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e The 6J1P-EV is equivalent to EF95, 6F32, and 6AK5 — a versatile drop-in replacement across many circuit designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable \u0026amp; Reliable:\u003c\/strong\u003e Built and tested to strict quality standards ensuring consistent performance batch after batch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Ready:\u003c\/strong\u003e Perfect for self-build preamp boards, headphone amp modules, and other audio electronics projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e6J2 \/ 6J1P-EV\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eHigh-Frequency Pentode\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eEquivalents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eEF95, 6F32, 6AK5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eGlass\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e15 × 15 × 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFilament Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e6.3V | Current: 0.17A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePlate Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e120V | Current: 7.35mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSecond Grid Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e120V | Current: 3.2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTransconductance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e5.2 mA\/V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCathode Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e200 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u0026gt; 12 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × 6J2P \/ 6J1P-EV Vacuum Tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect Pairing for Your Audio DIY Projects\u003c\/h3\u003e\n\u003cp\u003eBuilding or restoring an audio circuit? Check out these related items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e — great for battery-powered DIY electronics builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e — another precision electronic component for your DIY toolkit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e — reliable connectors to complete your amp build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a small tolerance (±1–2 mm) for manual measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What tubes are the 6J2P \/ 6J1P-EV compatible with or equivalent to?\u003c\/h4\u003e\n\u003cp\u003eA: The 6J2P (6J1P-EV) vacuum tube is a direct equivalent to the \u003cstrong\u003eEF95, 6F32, and 6AK5\u003c\/strong\u003e tube types. This makes it a versatile drop-in replacement for a wide range of preamp boards, headphone amplifier modules, and other audio DIY circuits that use any of these tube designations.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these tubes suitable for beginner DIY audio projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 6J2P vacuum tubes are a popular choice among both beginners and experienced audio enthusiasts. They are widely used in DIY preamp and headphone amp kits available online, and their stable performance and straightforward specifications make them easy to work with in standard audio circuits.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the filament voltage required for the 6J2 vacuum tube?\u003c\/h4\u003e\n\u003cp\u003eA: The 6J2 \/ 6J1P-EV requires a \u003cstrong\u003efilament voltage of 6.3V\u003c\/strong\u003e with a filament current of 0.17A. Always ensure your preamp or amp board supplies the correct heater voltage before installation to maintain tube longevity and optimal performance.\u003c\/p\u003e\n\u003ch4\u003eQ: How many tubes are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes \u003cstrong\u003e2 × 6J2P \/ 6J1P-EV vacuum tubes\u003c\/strong\u003e, giving you a matched pair — ideal for stereo preamp builds or as a spare replacement set.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What tubes are the 6J2P \/ 6J1P-EV compatible with or equivalent to?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 6J2P (6J1P-EV) vacuum tube is a direct equivalent to the EF95, 6F32, and 6AK5 tube types. This makes it a versatile drop-in replacement for a wide range of preamp boards, headphone amplifier modules, and other audio DIY circuits that use any of these tube designations.\"}}, {\"@type\": \"Question\", \"name\": \"Are these tubes suitable for beginner DIY audio projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 6J2P vacuum tubes are a popular choice among both beginners and experienced audio enthusiasts. They are widely used in DIY preamp and headphone amp kits available online, and their stable performance and straightforward specifications make them easy to work with in standard audio circuits.\"}}, {\"@type\": \"Question\", \"name\": \"What is the filament voltage required for the 6J2 vacuum tube?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 6J2 \/ 6J1P-EV requires a filament voltage of 6.3V with a filament current of 0.17A. Always ensure your preamp or amp board supplies the correct heater voltage before installation to maintain tube longevity and optimal performance.\"}}, {\"@type\": \"Question\", \"name\": \"How many tubes are included in this listing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes 2 × 6J2P \/ 6J1P-EV vacuum tubes, giving you a matched pair — ideal for stereo preamp builds or as a spare replacement set.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"6J2P 6J2 Vacuum Tube High-Frequency Pentode Preamp – 2pcs\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/6j2p-6j2-vacuum-tube-high-frequency-pentode-preamp-headphone-amp-diy-2pcs\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447543308352,"sku":"200007763:201336100","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S2cbc6ff91a964e6d9c8e291644af454ew.webp?v=1792554963"},{"product_id":"4-gang-16-pin-motorized-potentiometer-b50k-b100k-audio-volume-control","title":"4-Gang Motorized Potentiometer B50K B100K | 16-Pin Volume Control","description":"\n\u003ch2\u003e4-Gang Dual Row 16-Pin Motorized Potentiometer – B50K \/ B100K\u003c\/h2\u003e\n\u003cp\u003eTake precise command of your audio system with this \u003cstrong\u003e4-Gang Motorized Volume Controller\u003c\/strong\u003e. Featuring a dual-row 16-pin configuration and a 25mm semi-axial shaft, this potentiometer delivers smooth, automated volume adjustment across multiple audio channels — perfect for amplifiers, home theater receivers, mixing consoles, and custom hi-fi builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Row 16-Pin Design:\u003c\/strong\u003e Ensures stable, reliable connectivity for consistent performance in demanding audio setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB50K \u0026amp; B100K Options:\u003c\/strong\u003e Choose the resistance value that best suits your audio equipment — versatile for a wide range of amplifier and receiver configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotorized Controller:\u003c\/strong\u003e Enables precise, automated volume adjustment with minimal manual effort — ideal for remote-controlled or pre-amp applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e25mm Semi-Axial Shaft:\u003c\/strong\u003e Ergonomically designed for easy installation and smooth, long-lasting operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Gang (4-Link) Configuration:\u003c\/strong\u003e Synchronizes control across multiple channels simultaneously for balanced, consistent audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal \u0026amp; Plastic Construction:\u003c\/strong\u003e Combines durability with a sleek silver finish that fits professional and DIY audio enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-Row 16-Pin Motorized Potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB50K-4 \/ B100K-4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm (Semi-Axial)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Row, 16 Pins\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGangs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Gang\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal \u0026amp; Plastic (PVC housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 4-Gang Motorized Volume Controller Potentiometer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-wire-180-degree-washing-machine-timer-switch-semi-automatic\"\u003e3-Wire 180° Washing Machine Timer Switch | Semi-Automatic\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the B50K and B100K models?\u003c\/h4\u003e\n\u003cp\u003eA: The B50K model has a total resistance of 50,000 ohms (50KΩ) while the B100K model has a total resistance of 100,000 ohms (100KΩ). The right choice depends on your audio equipment's input impedance — check your amplifier or pre-amp specifications to select the best-matching resistance value for optimal signal transfer and audio performance.\u003c\/p\u003e\n\u003ch4\u003eQ: What types of audio equipment is this motorized potentiometer compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 4-gang motorized potentiometer is widely compatible with stereo amplifiers, home theater receivers, pre-amplifier circuits, mixing consoles, and custom DIY hi-fi audio builds. Its 4-link configuration allows synchronized volume control across multiple audio channels simultaneously.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the motorized function work?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in motor allows the potentiometer shaft to rotate automatically when a control voltage signal is applied, enabling remote or automated volume adjustment without manual turning. This is especially useful in remote-controlled amplifier setups or smart home audio systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this potentiometer easy to install in a custom audio enclosure?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 25mm semi-axial shaft and dual-row 16-pin layout are designed for straightforward installation in standard panel cutouts. The metal and plastic construction ensures a secure fit, and the silver finish suits most DIY and professional audio enclosure aesthetics.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the B50K and B100K models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The B50K model has a total resistance of 50,000 ohms (50KΩ) while the B100K model has a total resistance of 100,000 ohms (100KΩ). The right choice depends on your audio equipment's input impedance — check your amplifier or pre-amp specifications to select the best-matching resistance value for optimal signal transfer and audio performance.\"}}, {\"@type\": \"Question\", \"name\": \"What types of audio equipment is this motorized potentiometer compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 4-gang motorized potentiometer is widely compatible with stereo amplifiers, home theater receivers, pre-amplifier circuits, mixing consoles, and custom DIY hi-fi audio builds. Its 4-link configuration allows synchronized volume control across multiple audio channels simultaneously.\"}}, {\"@type\": \"Question\", \"name\": \"How does the motorized function work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in motor allows the potentiometer shaft to rotate automatically when a control voltage signal is applied, enabling remote or automated volume adjustment without manual turning. This is especially useful in remote-controlled amplifier setups or smart home audio systems.\"}}, {\"@type\": \"Question\", \"name\": \"Is this potentiometer easy to install in a custom audio enclosure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 25mm semi-axial shaft and dual-row 16-pin layout are designed for straightforward installation in standard panel cutouts. The metal and plastic construction ensures a secure fit, and the silver finish suits most DIY and professional audio enclosure aesthetics.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4-Gang Motorized Potentiometer B50K B100K | 16-Pin Volume Control\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/4-gang-16-pin-motorized-potentiometer-b50k-b100k-audio-volume-control\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"B50K \/ China Mainland","offer_id":41447551369280,"sku":"14:200004889#B50K;200007763:201336100","price":45.1,"currency_code":"USD","in_stock":true},{"title":"B100K \/ China Mainland","offer_id":41447551402048,"sku":"14:200004890#B100K;200007763:201336100","price":45.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S6db6db3a5be34791a002ac0ab3cfcdb5L.webp?v=1792555002"},{"product_id":"25-5mm-tweeter-voice-coil-resin-membrane-audio-upgrade","title":"25.5mm Tweeter Voice Coil Resin Membrane – Audio Upgrade","description":"\n\u003ch2\u003e25.5mm Tweeter Voice Coil – Resin Membrane for Crystal-Clear Highs\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your audio setup with this precision-engineered \u003cstrong\u003e25.5mm Tweeter Voice Coil\u003c\/strong\u003e. Featuring a high-quality resin membrane, this replacement voice coil delivers crisp, detailed high-frequency sound reproduction — perfect for audiophiles, sound engineers, and DIY enthusiasts looking to restore or upgrade their tweeter speakers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced High-Frequency Clarity:\u003c\/strong\u003e The 25.5mm resin membrane is specifically designed to produce crisp, clear treble tones, elevating the overall audio experience across music and vocal performances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from resilient metal and resin materials, this voice coil is engineered to withstand continuous use — ensuring longevity and consistent performance in a wide range of audio environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized for Treble:\u003c\/strong\u003e Specially engineered for treble applications, it excels at detailed sound reproduction, making it an excellent choice for anyone serious about audio quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Straightforward design makes installation accessible for both professional technicians and DIY enthusiasts looking to upgrade their existing systems without hassle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Compatible with a wide range of tweeter speaker systems, allowing you to enhance your current audio setup with minimal modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTweeter Voice Coil\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal, Resin\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoil Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrown\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Tweeter Voice Coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 25.5mm Tweeter Voice Coil (Resin Membrane)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from product images due to monitor brightness and lighting conditions. Please allow a slight measurement tolerance of ±1–2mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_auto_parts\" target=\"_blank\" rel=\"noopener\"\u003eList of auto parts\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size is this tweeter voice coil and what speakers is it compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This tweeter voice coil has a diameter of 25.5mm and is compatible with a broad range of tweeter speaker systems that accept a standard 25.5mm voice coil. Always verify your existing tweeter's coil diameter before purchasing to ensure a proper fit.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this tweeter voice coil suitable for DIY audio repairs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The voice coil is designed for straightforward installation, making it well-suited for both professional audio technicians and DIY enthusiasts. Basic soldering and speaker repair skills are recommended for best results.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials is the voice coil made from?\u003c\/h4\u003e\n\u003cp\u003eA: The voice coil is constructed from a combination of metal and resin. The resin membrane is specifically chosen for its ability to produce clear, accurate high-frequency audio performance while maintaining durability during continuous use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size is this tweeter voice coil and what speakers is it compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This tweeter voice coil has a diameter of 25.5mm and is compatible with a broad range of tweeter speaker systems that accept a standard 25.5mm voice coil. Always verify your existing tweeter's coil diameter before purchasing to ensure a proper fit.\"}}, {\"@type\": \"Question\", \"name\": \"Is this tweeter voice coil suitable for DIY audio repairs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The voice coil is designed for straightforward installation, making it well-suited for both professional audio technicians and DIY enthusiasts. Basic soldering and speaker repair skills are recommended for best results.\"}}, {\"@type\": \"Question\", \"name\": \"What materials is the voice coil made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The voice coil is constructed from a combination of metal and resin. The resin membrane is specifically chosen for its ability to produce clear, accurate high-frequency audio performance while maintaining durability during continuous use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"25.5mm Tweeter Voice Coil Resin Membrane – Audio Upgrade\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/25-5mm-tweeter-voice-coil-resin-membrane-audio-upgrade\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447557234752,"sku":"200007763:201336100","price":4.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S54196880c5e940cfb299454e64091db6n.webp?v=1792555142"},{"product_id":"50pcs-3296w-multiturn-trimmer-potentiometer-kit-10-values-diy-electronics","title":"50Pcs 3296W Multiturn Trimmer Potentiometer Kit – 10 Values","description":"\n\u003ch2\u003e50-Piece 3296W Multiturn Trimmer Potentiometer Assortment Kit\u003c\/h2\u003e\n\u003cp\u003eLevel up your electronics workbench with this comprehensive \u003cstrong\u003e3296W Multiturn Trimmer Potentiometer Kit\u003c\/strong\u003e — 50 precision components spanning 10 resistance values, all neatly organized in a transparent multi-compartment storage box. Whether you're debugging circuits, building DIY electronics projects, or repairing existing boards, this kit gives you the right resistance at your fingertips every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50 Potentiometers, 10 Resistance Values:\u003c\/strong\u003e Includes 500Ω, 1KΩ, 2KΩ, 5KΩ, 10KΩ, 20KΩ, 50KΩ, 100KΩ, 200KΩ, and 1MΩ — 5 pieces of each value for maximum versatility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3296W Multiturn Design:\u003c\/strong\u003e The multi-turn adjustment mechanism allows extremely fine, precise resistance tuning — ideal for sensitive circuit calibration and prototyping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThrough-Hole (THT) Leads:\u003c\/strong\u003e Standard through-hole leads make PCB soldering quick and reliable on standard circuit boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal Adjustment Knob:\u003c\/strong\u003e Durable metal screw-top adjustment knob with blue housing for easy identification and long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganized Storage Box:\u003c\/strong\u003e All 50 potentiometers come pre-sorted in a clear multi-compartment box — no more hunting through loose parts; grab the value you need instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Perfect for circuit debugging, Arduino\/Raspberry Pi projects, voltage dividers, oscillator tuning, amplifier gain adjustment, and general DIY electronics repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3296W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiturn Trimmer Potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 pcs (5 × 10 values)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Values\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500Ω, 1KΩ, 2KΩ, 5KΩ, 10KΩ, 20KΩ, 50KΩ, 100KΩ, 200KΩ, 1MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-Hole (THT)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic (blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustment Knob\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal screw-type\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Potentiometer Kit (50 pcs in organized storage box)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to display settings. Minor measurement tolerances may apply.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What resistance values are included in the 3296W trimmer potentiometer kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes 10 different resistance values: 500Ω, 1KΩ, 2KΩ, 5KΩ, 10KΩ, 20KΩ, 50KΩ, 100KΩ, 200KΩ, and 1MΩ — with 5 potentiometers per value, totaling 50 pieces.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these 3296W potentiometers compatible with standard PCBs and breadboards?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These 3296W trimmer potentiometers feature standard through-hole (THT) leads that are fully compatible with most PCBs and perfboards. They can also be used with breadboards using the leads directly, making them ideal for prototyping and circuit debugging.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the resistance on a 3296W multiturn potentiometer?\u003c\/h4\u003e\n\u003cp\u003eA: Simply use a small flat-head screwdriver to turn the metal adjustment screw on top. The multiturn design allows for multiple rotations, enabling very fine and precise resistance calibration — far more accurate than single-turn trimmers.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the storage box included with the kit like?\u003c\/h4\u003e\n\u003cp\u003eA: The kit comes packaged in a clear, multi-compartment plastic storage box with each resistance value pre-sorted into its own section. This makes it easy to quickly locate and retrieve the exact potentiometer value you need during your project.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What resistance values are included in the 3296W trimmer potentiometer kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit includes 10 different resistance values: 500Ω, 1KΩ, 2KΩ, 5KΩ, 10KΩ, 20KΩ, 50KΩ, 100KΩ, 200KΩ, and 1MΩ — with 5 potentiometers per value, totaling 50 pieces.\"}}, {\"@type\": \"Question\", \"name\": \"Are these 3296W potentiometers compatible with standard PCBs and breadboards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These 3296W trimmer potentiometers feature standard through-hole (THT) leads that are fully compatible with most PCBs and perfboards. They can also be used with breadboards using the leads directly, making them ideal for prototyping and circuit debugging.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the resistance on a 3296W multiturn potentiometer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Simply use a small flat-head screwdriver to turn the metal adjustment screw on top. The multiturn design allows for multiple rotations, enabling very fine and precise resistance calibration — far more accurate than single-turn trimmers.\"}}, {\"@type\": \"Question\", \"name\": \"What is the storage box included with the kit like?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit comes packaged in a clear, multi-compartment plastic storage box with each resistance value pre-sorted into its own section. This makes it easy to quickly locate and retrieve the exact potentiometer value you need during your project.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"50Pcs 3296W Multiturn Trimmer Potentiometer Kit – 10 Values\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/50pcs-3296w-multiturn-trimmer-potentiometer-kit-10-values-diy-electronics\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447559856192,"sku":"200007763:201336100","price":54.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sc928314795e548c99346900706cbbd06L.webp?v=1792555168"},{"product_id":"3-way-electronic-crossover-board-6-channel-stereo-diy-audio","title":"3-Way Electronic Crossover Board 6-Channel Stereo DIY Audio","description":"\n\u003ch2\u003eHpLive 3-Way Electronic Crossover Board – 6-Channel Stereo Output\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio builds to the next level with this professional-grade \u003cstrong\u003e3-Way Electronic Frequency Crossover Board\u003c\/strong\u003e from HpLive. Featuring a precision \u003cstrong\u003eLinkwitz-Riley filter network\u003c\/strong\u003e and \u003cstrong\u003esix independent stereo output channels\u003c\/strong\u003e, this board delivers clean, distortion-free signal splitting for audiophile-quality sound reproduction in multi-amplifier speaker systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Linkwitz-Riley Crossover Design:\u003c\/strong\u003e Ensures smooth frequency separation with no peaks or valleys for accurate, natural audio reproduction across all bands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6-Channel Stereo Output:\u003c\/strong\u003e Splits stereo left\/right input into six independent channels — left\/right treble, midrange, and bass — ideal for driving a full 6-channel amplifier setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaceable \u0026amp; Adjustable Crossover Points:\u003c\/strong\u003e Fine-tune frequency crossover ranges to perfectly match your speaker drivers and audio system for optimized sound performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudiophile-Grade NE5532 Op-Amp:\u003c\/strong\u003e Powered by a precision dual NE5532 op-amp chip for ultra-low noise, high-fidelity signal processing and clean channel separation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Integration:\u003c\/strong\u003e Supports independent adjustments for each of the six output channels, ensuring seamless compatibility with custom multi-amplifier speaker builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGold-Plated Lotus Connectors:\u003c\/strong\u003e Four dual gold-plated lotus (RCA) sockets minimize signal loss and ensure reliable, high-quality connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eLinkwitz-Riley Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCrossover Points\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e310 Hz \/ 3.1 kHz (Bass: 20–310 Hz | Midrange: 310 Hz–3.1 kHz | Treble: 3.1–20 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSlope Attenuation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e-24 dB\/Oct\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e6-Channel (Treble, Midrange, Bass × 2 Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOp-Amp Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eNE5532 (Dual Precision)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBoard Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e173 × 79 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eAC Transformer ±14V to ±19V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4 × Dual Gold-Plated Lotus (RCA) Sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePCB \/ Plastic Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 3-Way Electronic Crossover Frequency Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuild the Perfect Audio System\u003c\/h3\u003e\n\u003cp\u003eWhether you're assembling a high-fidelity home audio setup or building a custom car sound system, this crossover board gives you precise frequency control. Pair it with your preferred amplifiers and speaker drivers for a truly tailored listening experience. If you're working on other DIY electrical projects, you might also find our \u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor\u003c\/a\u003e or \u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e useful additions to your electronics workbench.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of crossover filter does this 3-way frequency board use?\u003c\/h4\u003e\n\u003cp\u003eA: This crossover board uses a \u003cstrong\u003eLinkwitz-Riley filter\u003c\/strong\u003e design with a -24 dB\/Oct slope attenuation, which ensures smooth, accurate frequency separation between the bass, midrange, and treble bands with no unwanted peaks or phase issues.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the default crossover frequency points on this board?\u003c\/h4\u003e\n\u003cp\u003eA: The default crossover points are \u003cstrong\u003e310 Hz and 3.1 kHz\u003c\/strong\u003e. This divides the audio spectrum into: Bass (20–310 Hz), Midrange (310 Hz–3.1 kHz), and Treble (3.1–20 kHz). The crossover points are replaceable\/adjustable to suit your specific speaker system.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does this crossover board require?\u003c\/h4\u003e\n\u003cp\u003eA: The board requires a \u003cstrong\u003edual (bipolar) AC transformer power supply\u003c\/strong\u003e in the range of ±14V to ±19V. It is not powered via USB or a standard DC adapter — a proper bipolar transformer supply is needed for correct operation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this board suitable for beginners in DIY audio?\u003c\/h4\u003e\n\u003cp\u003eA: This board is best suited for \u003cstrong\u003eintermediate to advanced DIY audio enthusiasts\u003c\/strong\u003e who are familiar with multi-amplifier speaker setups and basic electronics wiring. Its independent channel adjustments and gold-plated RCA connectors make integration straightforward for those experienced with audio builds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of crossover filter does this 3-way frequency board use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This crossover board uses a Linkwitz-Riley filter design with a -24 dB\/Oct slope attenuation, which ensures smooth, accurate frequency separation between the bass, midrange, and treble bands with no unwanted peaks or phase issues.\"}}, {\"@type\": \"Question\", \"name\": \"What are the default crossover frequency points on this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The default crossover points are 310 Hz and 3.1 kHz. This divides the audio spectrum into: Bass (20–310 Hz), Midrange (310 Hz–3.1 kHz), and Treble (3.1–20 kHz). The crossover points are replaceable\/adjustable to suit your specific speaker system.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply does this crossover board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board requires a dual (bipolar) AC transformer power supply in the range of ±14V to ±19V. It is not powered via USB or a standard DC adapter — a proper bipolar transformer supply is needed for correct operation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this board suitable for beginners in DIY audio?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is best suited for intermediate to advanced DIY audio enthusiasts who are familiar with multi-amplifier speaker setups and basic electronics wiring. Its independent channel adjustments and gold-plated RCA connectors make integration straightforward for those experienced with audio builds.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3-Way Electronic Crossover Board 6-Channel Stereo DIY Audio\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/3-way-electronic-crossover-board-6-channel-stereo-diy-audio\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447560020032,"sku":"200007763:201336100","price":141.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sc8ebf9c70b4f4bbb9561b9555c49a3b7E.webp?v=1792555170"},{"product_id":"atn95e-elliptical-replacement-stylus-at95e-cartridge","title":"ATN95E Elliptical Replacement Stylus for AT95E Cartridge","description":"\n\u003ch2\u003eATN95E Elliptical Replacement Stylus – Drop-In Fit for AT95E Cartridges\u003c\/h2\u003e\n\u003cp\u003eBring your vinyl collection back to life with this precision-engineered ATN95E elliptical replacement stylus. Designed as a direct drop-in replacement for the Audio-Technica AT95E cartridge, it delivers rich, detailed sound that rivals the original — at a fraction of the cost of a brand-new cartridge.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade to an Elliptical Stylus?\u003c\/h3\u003e\n\u003cp\u003eElliptical stylus tips are engineered to trace deeper into the vinyl groove compared to spherical alternatives. This means more musical detail is extracted from every record, with improved high-frequency response and stereo imaging — giving your listening sessions a noticeably fuller, more immersive character.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Cartridge Compatibility:\u003c\/strong\u003e Fits AT95E, AT93, AT3400, and AT3450 phono cartridges, including turntables such as the AT-LP120-USB — making it a versatile upgrade for a broad range of vinyl setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Features an aluminum shank paired with a Japanese-imported elliptical diamond tip for consistent tracking, long service life, and faithful audio reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Sound Detail:\u003c\/strong\u003e The elliptical profile reaches deeper into record grooves to extract more sonic information, delivering stronger top-end frequency response and a richer soundstage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e Simply snap the stylus into place — no tools required. Suitable for first-time vinyl users and experienced audiophiles alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtective Packaging:\u003c\/strong\u003e Shipped in a solid acrylic box with sponge cushioning to ensure your stylus arrives in perfect condition, ready to play.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e ATN95E Elliptical Replacement Stylus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStylus Tip:\u003c\/strong\u003e Elliptical (imported from Japan)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e ABS Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15 × 12 × 10 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Cartridges:\u003c\/strong\u003e AT95E, AT93, AT3400, AT3450\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ATN95E Elliptical Replacement Stylus\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eBrowse more hardware and DIY tools in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electric-kettle-thermostat-switch-250v-13a-black-replacement\"\u003eElectric Kettle Thermostat Switch 250V 13A Black Replacement Part\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor color settings and lighting conditions may cause slight variations between product photos and the actual item. Please allow a small margin of tolerance (±1 mm) for manual measurements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this ATN95E stylus compatible with the Audio-Technica AT-LP120-USB turntable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ATN95E replacement stylus is designed to fit the AT95E cartridge, which is the stock cartridge used on the AT-LP120-USB. It snaps in directly without any tools or modifications needed, making it an easy and affordable upgrade or replacement.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between an elliptical and a spherical stylus tip?\u003c\/h4\u003e\n\u003cp\u003eA: An elliptical stylus tip has a smaller contact radius in the direction of groove modulation, allowing it to track deeper and more precisely into vinyl grooves. This results in greater retrieval of high-frequency detail, better channel separation, and a more expansive soundstage compared to a standard spherical (conical) tip.\u003c\/p\u003e\n\u003ch4\u003eQ: How long does the ATN95E replacement stylus last?\u003c\/h4\u003e\n\u003cp\u003eA: With proper care — including regular stylus cleaning and correct tracking force settings — a quality elliptical stylus tip like this one can provide hundreds of hours of listening. Performance longevity depends on usage habits and the condition of your records.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this stylus work with cartridges other than the AT95E?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This stylus is also compatible with AT93, AT3400, and AT3450 phono cartridges, making it a versatile option for a range of Audio-Technica turntable setups.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this ATN95E stylus compatible with the Audio-Technica AT-LP120-USB turntable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The ATN95E replacement stylus is designed to fit the AT95E cartridge, which is the stock cartridge used on the AT-LP120-USB. It snaps in directly without any tools or modifications needed, making it an easy and affordable upgrade or replacement.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between an elliptical and a spherical stylus tip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An elliptical stylus tip has a smaller contact radius in the direction of groove modulation, allowing it to track deeper and more precisely into vinyl grooves. This results in greater retrieval of high-frequency detail, better channel separation, and a more expansive soundstage compared to a standard spherical (conical) tip.\"}}, {\"@type\": \"Question\", \"name\": \"How long does the ATN95E replacement stylus last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"With proper care — including regular stylus cleaning and correct tracking force settings — a quality elliptical stylus tip like this one can provide hundreds of hours of listening. Performance longevity depends on usage habits and the condition of your records.\"}}, {\"@type\": \"Question\", \"name\": \"Does this stylus work with cartridges other than the AT95E?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This stylus is also compatible with AT93, AT3400, and AT3450 phono cartridges, making it a versatile option for a range of Audio-Technica turntable setups.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ATN95E Elliptical Replacement Stylus for AT95E Cartridge\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/atn95e-elliptical-replacement-stylus-at95e-cartridge\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Red \/ China Mainland","offer_id":41447560675392,"sku":"14:10#Red;200007763:201336100","price":64.34,"currency_code":"USD","in_stock":true},{"title":"Green \/ China Mainland","offer_id":41447560708160,"sku":"14:200026864#Green;200007763:201336100","price":64.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S535c88f922354fd68d8194eade0a98abC.webp?v=1792555177"},{"product_id":"ac-12v-vu-meter-driver-board-stereo-audio-level-meter-pcb-1","title":"AC 12V VU Meter Driver Board | Stereo Audio Level Meter PCB","description":"\n\u003ch2\u003eAC 12V Stereo VU Meter Driver Board – Dual Channel Audio Level Meter\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio build to the next level with this professional-grade \u003cstrong\u003eAC 12V Stereo VU Meter Driver Board\u003c\/strong\u003e. Designed for audiophiles, electronics hobbyists, and home audio enthusiasts, this compact double-sided PCB delivers accurate, stable dB level readings with smooth needle movement — all without interference or self-excitation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero Interference:\u003c\/strong\u003e No self-excitation, no noise — clean, reliable audio level indication every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Audio Driver IC:\u003c\/strong\u003e Built-in dynamic compression circuitry ensures the needle displays optimal movement even at varying signal levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMute Protection:\u003c\/strong\u003e The onboard IC mute function prevents needle overload, keeping your meter operating smoothly under all signal conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC 12V Powered:\u003c\/strong\u003e Simple, widely available power input makes integration into existing amp or stereo builds straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-Sided PCB:\u003c\/strong\u003e Robust double-sided circuit board construction ensures secure wiring paths and strong, reliable soldering pads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Neat 55 × 66 mm footprint with 3 mm mounting holes for easy panel installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo Volume Meter Driver Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (Double-Sided)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 × 66 mm (2.17 × 2.6 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 × 56 mm (1.97 × 2.2 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Stereo VU Meter Driver Board (AC 12V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eThis driver board is ideal for integrating classic analogue VU meters into amplifier builds, hi-fi preamps, mixer projects, and any stereo audio system where real-time dB level monitoring adds both function and visual flair.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the VU meter driver board require?\u003c\/h4\u003e\n\u003cp\u003eA: This stereo VU meter driver board operates on \u003cstrong\u003eAC 12V\u003c\/strong\u003e. It is not compatible with DC power supplies, so ensure you use an appropriate AC 12V transformer when wiring it into your audio project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this driver board be used with any VU meter panel movement?\u003c\/h4\u003e\n\u003cp\u003eA: The board is designed to drive standard analogue VU meter movements in a stereo (dual channel) configuration. Its dynamic compression circuitry and mute function make it compatible with most common panel VU meters used in DIY amplifier and hi-fi builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is the board mounted?\u003c\/h4\u003e\n\u003cp\u003eA: The PCB features four \u003cstrong\u003e3 mm mounting holes\u003c\/strong\u003e with a pitch of 50 × 56 mm, making it straightforward to secure inside an enclosure using standard M3 screws and standoffs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the VU meter driver board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This stereo VU meter driver board operates on AC 12V. It is not compatible with DC power supplies, so ensure you use an appropriate AC 12V transformer when wiring it into your audio project.\"}}, {\"@type\": \"Question\", \"name\": \"Can this driver board be used with any VU meter panel movement?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board is designed to drive standard analogue VU meter movements in a stereo (dual channel) configuration. Its dynamic compression circuitry and mute function make it compatible with most common panel VU meters used in DIY amplifier and hi-fi builds.\"}}, {\"@type\": \"Question\", \"name\": \"How is the board mounted?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PCB features four 3 mm mounting holes with a pitch of 50 × 56 mm, making it straightforward to secure inside an enclosure using standard M3 screws and standoffs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AC 12V VU Meter Driver Board | Stereo Audio Level Meter PCB\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/ac-12v-vu-meter-driver-board-stereo-audio-level-meter-pcb\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447562149952,"sku":"200007763:201336100","price":64.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S980faddf7b3b40938d272736b3199a86D.webp?v=1792555193"},{"product_id":"tda7850-4-channel-amp-board-ba3121-noise-reduction","title":"TDA7850 4-Channel AMP Board with BA3121 Noise Reduction","description":"\n\u003ch2\u003eTDA7850 Four-Channel Amplifier Module with BA3121 Noise Reduction\u003c\/h2\u003e\n\u003cp\u003eUpgrade your car or home audio system with this high-performance \u003cstrong\u003eTDA7850 4-Channel Amplifier Board\u003c\/strong\u003e. Built with premium audiophile-grade components and an integrated \u003cstrong\u003eBA3121 noise reduction system\u003c\/strong\u003e, this compact AMP module delivers clean, powerful, and dynamic sound reproduction across every audio genre.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudiophile-Grade Sound:\u003c\/strong\u003e Fitted with \u003cstrong\u003eELNA audio coupling capacitors\u003c\/strong\u003e for pristine signal clarity and rich, detailed audio performance that satisfies even the most discerning listeners.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Power Delivery:\u003c\/strong\u003e Features \u003cstrong\u003eRubycon 10,000µF main filter capacitors\u003c\/strong\u003e to ensure ample, stable power supply and deep, resonant bass for dynamic sound across all frequencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBA3121 Noise Reduction Technology:\u003c\/strong\u003e The integrated BA3121 isolation and noise reduction circuit significantly diminishes common ground noise, resulting in a cleaner, more enjoyable audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLC Filtering for Clean Power:\u003c\/strong\u003e Advanced LC filtering technology reduces ripple and electromagnetic interference, keeping your audio smooth and uninterrupted during playback.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Channel Versatility:\u003c\/strong\u003e Supports 4-channel input and output, allowing you to connect multiple audio sources simultaneously — ideal for a full car audio setup or a home audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e TDA7850 Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 65 × 43 × 48 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Reduction IC:\u003c\/strong\u003e BA3121\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 (input \u0026amp; output)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TDA7850 Amplifier Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual product color may vary slightly from images due to monitor settings and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow slight manual measurement deviation for listed dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the TDA7850 amplifier module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The TDA7850 amplifier module is a 4-channel AMP board designed for use in car audio systems and home audio setups. It amplifies audio signals across four channels simultaneously, delivering powerful and clear sound output suitable for speakers and full audio system builds.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the BA3121 noise reduction function work?\u003c\/h4\u003e\n\u003cp\u003eA: The BA3121 is a ground isolation and noise reduction IC that effectively eliminates common ground noise — a frequent source of unwanted hum or interference in audio circuits. By isolating ground loops, it ensures a significantly cleaner and quieter audio signal reaches your speakers.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module be used in a home audio system as well as a car?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. While the TDA7850 module is optimized for car audio setups, its 4-channel input\/output design and noise reduction capabilities make it equally suitable for DIY home audio amplifier projects, provided an appropriate power supply is used.\u003c\/p\u003e\n\u003ch4\u003eQ: What components make this amplifier board stand out for sound quality?\u003c\/h4\u003e\n\u003cp\u003eA: This board uses ELNA audio coupling capacitors for signal accuracy, Rubycon 10,000µF main filter capacitors for stable power and deep bass, and LC filtering technology for reduced ripple and interference — a combination that sets it apart for audiophile-level DIY audio builds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the TDA7850 amplifier module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TDA7850 amplifier module is a 4-channel AMP board designed for use in car audio systems and home audio setups. It amplifies audio signals across four channels simultaneously, delivering powerful and clear sound output suitable for speakers and full audio system builds.\"}}, {\"@type\": \"Question\", \"name\": \"How does the BA3121 noise reduction function work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BA3121 is a ground isolation and noise reduction IC that effectively eliminates common ground noise — a frequent source of unwanted hum or interference in audio circuits. By isolating ground loops, it ensures a significantly cleaner and quieter audio signal reaches your speakers.\"}}, {\"@type\": \"Question\", \"name\": \"Can this module be used in a home audio system as well as a car?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. While the TDA7850 module is optimized for car audio setups, its 4-channel input\/output design and noise reduction capabilities make it equally suitable for DIY home audio amplifier projects, provided an appropriate power supply is used.\"}}, {\"@type\": \"Question\", \"name\": \"What components make this amplifier board stand out for sound quality?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board uses ELNA audio coupling capacitors for signal accuracy, Rubycon 10,000µF main filter capacitors for stable power and deep bass, and LC filtering technology for reduced ripple and interference — a combination that sets it apart for audiophile-level DIY audio builds.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"TDA7850 4-Channel AMP Board with BA3121 Noise Reduction\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/tda7850-4-channel-amp-board-ba3121-noise-reduction\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447566540864,"sku":"200007763:201336100","price":63.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S48c8c5b6480349ec97b00501d2855483r.webp?v=1792555949"},{"product_id":"pt2399-reverb-board-karaoke-microphone-preamp-echo-delay-effect","title":"PT2399 Reverb Board – Karaoke Microphone Preamp Echo \u0026 Delay","description":"\n\u003ch2\u003ePT2399 Karaoke Microphone Preamp Reverb Board with Echo \u0026amp; Delay Effect\u003c\/h2\u003e\n\u003cp\u003eTake your karaoke setup to the next level with this compact \u003cstrong\u003ePT2399 Reverb Board\u003c\/strong\u003e. Engineered around the renowned PT2399 echo chip, this preamp board delivers rich, studio-quality reverb and delay effects with impressively low background noise — perfect for home karaoke systems, DIY audio builds, and small PA setups.\u003c\/p\u003e\n\n\u003cp\u003eThe optimized PCB circuit layout minimizes signal interference, giving you crisp, distortion-free audio every time. With four independent adjustable knobs, you have full control over your sound — dial in your preferred microphone volume, echo time, reverb depth, and music volume in seconds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePT2399 Echo Chip:\u003c\/strong\u003e Industry-trusted chip delivers smooth, high-quality karaoke reverb and echo effects with clear sound reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle 12V DC Power Supply:\u003c\/strong\u003e Built-in boost and negative voltage conversion circuitry ensures stable, reliable performance from a single power source.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Noise Design:\u003c\/strong\u003e Carefully optimized circuit layout minimizes background noise for crisp, distortion-free audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Controls:\u003c\/strong\u003e Four dedicated knobs for microphone volume, echo time, reverb depth, and music volume — fully customizable sound settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Install:\u003c\/strong\u003e Measures just 14.9 × 4.6 × 2.2 cm with well-spaced potentiometers (20mm spacing) and microphone jacks (25mm spacing) for straightforward integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable PCB Construction:\u003c\/strong\u003e Blue PCB board built for longevity in both hobbyist and semi-professional audio environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePT2399 Echo IC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.9 × 4.6 × 2.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePotentiometer Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone Jack Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PT2399 Reverb Preamp Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eDo NOT reverse the positive and negative terminals\u003c\/strong\u003e of the power supply — incorrect polarity can permanently damage the board.\u003c\/li\u003e\n  \u003cli\u003eColors may appear slightly different on-screen due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow for slight manual measurement deviation (±1–2mm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e — great for DIY electronics projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e — another quality DIY electronics component\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e — essential connector for wiring your audio builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the PT2399 reverb board require?\u003c\/h4\u003e\n\u003cp\u003eA: The PT2399 karaoke reverb preamp board operates on a single \u003cstrong\u003e12V DC power supply\u003c\/strong\u003e. It features a built-in boost and negative voltage conversion circuit, so you only need one power source for stable, full-function operation. Always ensure correct polarity before powering on.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this reverb board be used in a DIY home karaoke or PA system?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The PT2399 reverb board is designed for easy integration into \u003cstrong\u003eDIY home karaoke systems, small PA setups, and custom audio builds\u003c\/strong\u003e. Its compact 14.9 × 4.6 × 2.2 cm form factor and well-spaced jacks make installation straightforward for both hobbyists and experienced builders.\u003c\/p\u003e\n\u003ch4\u003eQ: What audio parameters can I adjust on this preamp board?\u003c\/h4\u003e\n\u003cp\u003eA: The board includes \u003cstrong\u003efour independent control knobs\u003c\/strong\u003e: microphone volume, echo time, reverb depth, and music volume. This gives you extensive flexibility to customize your karaoke sound experience to your exact preference.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the PT2399 chip reliable for high-quality audio?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the \u003cstrong\u003ePT2399 echo IC\u003c\/strong\u003e is a widely trusted chip in audio electronics, known for producing smooth reverb and delay effects with minimal distortion. Combined with this board's low-noise circuit design, the result is clear and professional-sounding audio output.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the PT2399 reverb board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PT2399 karaoke reverb preamp board operates on a single 12V DC power supply. It features a built-in boost and negative voltage conversion circuit, so you only need one power source for stable, full-function operation. Always ensure correct polarity before powering on.\"}}, {\"@type\": \"Question\", \"name\": \"Can this reverb board be used in a DIY home karaoke or PA system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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Combined with this board's low-noise circuit design, the result is clear and professional-sounding audio output.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PT2399 Reverb Board – Karaoke Microphone Preamp Echo \u0026 Delay\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/pt2399-reverb-board-karaoke-microphone-preamp-echo-delay-effect\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447571947584,"sku":"200007763:201336100","price":83.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S01738618b4464e1e9bf8ea4b34f162514.webp?v=1792556004"},{"product_id":"atn3600l-turntable-stylus-replacement-at-lp60-at-lp60xbt","title":"ATN3600L Turntable Stylus for AT-LP60 AT-LP60XBT Replacement","description":"\n\u003ch2\u003eATN3600L Replacement Stylus – Restore Your Turntable's Sound\u003c\/h2\u003e\n\u003cp\u003eBring your vinyl records back to life with this precision-engineered ATN3600L replacement stylus. Designed as a direct drop-in replacement for a wide range of Audio-Technica turntables, this needle delivers accurate groove tracking, crisp audio reproduction, and long-lasting performance — all without requiring any tools for installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e Simply slide out the old stylus and snap the new ATN3600L into the designated slot. No tools, no fuss — you'll be back to spinning records in seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Compatible with multiple Audio-Technica turntable models including AT-LP60, AT-L60X, AT-LP60XBT, AT-LP60-USB, AT-LP2D, AT-LP2D-USB, and AT-PL50, making it a versatile choice for vinyl enthusiasts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Needle Tip:\u003c\/strong\u003e The hardened tip is engineered for longevity and precision, minimizing wear on both the stylus and your records while ensuring accurate tracking through every groove.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Fiber Shank:\u003c\/strong\u003e Built with a high-strength carbon fiber shank for stable, consistent music playback. Its lightweight construction and heat resistance ensure reliable performance during extended listening sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady-to-Use Packaging:\u003c\/strong\u003e Each stylus is neatly stored in a protective plastic case, keeping it safe from dust and damage until you're ready to install it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATN3600L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic body with carbon fiber shank\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 1 × 1 × 1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAT-LP60, AT-L60X, AT-LP60XBT, AT-LP60-USB, AT-LP2D, AT-LP2D-USB, AT-PL50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × ATN3600L Turntable Stylus (in protective case)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e – easy snap-in part replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/electric-kettle-thermostat-switch-250v-13a-black-replacement\"\u003eElectric Kettle Thermostat Switch 250V 13A Black Replacement Part\u003c\/a\u003e – quality appliance replacement parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e – precision tool components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor brightness and lighting conditions may cause slight color variation from product images. Please allow minor measurement tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the ATN3600L stylus compatible with the Audio-Technica AT-LP60XBT turntable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ATN3600L replacement stylus is fully compatible with the AT-LP60XBT, as well as other Audio-Technica models including the AT-LP60, AT-L60X, AT-LP60-USB, AT-LP2D, AT-LP2D-USB, and AT-PL50. It is designed as a direct drop-in replacement for these turntables.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any special tools to install this replacement turntable stylus?\u003c\/h4\u003e\n\u003cp\u003eA: No tools are required. The ATN3600L stylus installation is completely tool-free — simply remove your old stylus from the cartridge slot and align the new one into place until it clicks securely. The entire process takes just a few seconds.\u003c\/p\u003e\n\u003ch4\u003eQ: How long will the ATN3600L turntable needle last?\u003c\/h4\u003e\n\u003cp\u003eA: The ATN3600L features a hardened needle tip and a carbon fiber shank that minimize wear during normal use. Actual longevity depends on usage frequency, record condition, and proper tracking force settings, but the durable construction is designed to deliver consistent, high-quality audio playback over an extended period.\u003c\/p\u003e\n\u003ch4\u003eQ: Will this stylus affect the sound quality of my vinyl records?\u003c\/h4\u003e\n\u003cp\u003eA: The ATN3600L is engineered for accurate groove tracking and precise audio reproduction, delivering clear, detailed sound from your vinyl records. Its carbon fiber shank reduces unwanted resonance, contributing to stable and faithful music playback.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the ATN3600L stylus compatible with the Audio-Technica AT-LP60XBT turntable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The ATN3600L replacement stylus is fully compatible with the AT-LP60XBT, as well as other Audio-Technica models including the AT-LP60, AT-L60X, AT-LP60-USB, AT-LP2D, AT-LP2D-USB, and AT-PL50. It is designed as a direct drop-in replacement for these turntables.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any special tools to install this replacement turntable stylus?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools are required. The ATN3600L stylus installation is completely tool-free — simply remove your old stylus from the cartridge slot and align the new one into place until it clicks securely. The entire process takes just a few seconds.\"}}, {\"@type\": \"Question\", \"name\": \"How long will the ATN3600L turntable needle last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ATN3600L features a hardened needle tip and a carbon fiber shank that minimize wear during normal use. Actual longevity depends on usage frequency, record condition, and proper tracking force settings, but the durable construction is designed to deliver consistent, high-quality audio playback over an extended period.\"}}, {\"@type\": \"Question\", \"name\": \"Will this stylus affect the sound quality of my vinyl records?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ATN3600L is engineered for accurate groove tracking and precise audio reproduction, delivering clear, detailed sound from your vinyl records. Its carbon fiber shank reduces unwanted resonance, contributing to stable and faithful music playback.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ATN3600L Turntable Stylus for AT-LP60 AT-LP60XBT Replacement\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/atn3600l-turntable-stylus-replacement-at-lp60-at-lp60xbt\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447576535104,"sku":"200007763:201336100","price":23.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S1ae194a378fb43beb032d54914cfed284.webp?v=1792556129"},{"product_id":"rs485-serial-voice-alert-speaker-12v-24v-usb-audio-updates","title":"RS485 Serial Voice Alert Speaker 12V 24V | USB Audio Updates","description":"\n\u003ch2\u003eRS485 Serial Controlled Voice Broadcast Speaker – 12V to 24V\u003c\/h2\u003e\n\u003cp\u003eTake full control of your audio alert system with this RS485 Serial Controlled Voice Broadcast Speaker. Designed for industrial, commercial, and DIY automation applications, this compact announcer delivers powerful, crystal-clear audio up to \u003cstrong\u003e110 dB\u003c\/strong\u003e and supports multi-channel playback — all manageable via RS485 serial communication. Custom audio files are loaded in seconds through the built-in USB port, making updates fast and effortless.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates across DC 5V to 35V, ensuring stable performance across diverse power systems including 12V and 24V setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoud \u0026amp; Clear Output:\u003c\/strong\u003e Delivers up to 110 dB of audio, cutting through ambient noise in busy warehouses, factories, or public spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Channel Voice Playback:\u003c\/strong\u003e Configure multiple audio channels to trigger specific announcements or notifications for different scenarios.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy USB Audio Updates:\u003c\/strong\u003e Simply plug in a USB drive to swap or update audio files — no soldering, no programming tools required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Mounting Options:\u003c\/strong\u003e Grooved base supports both screw mounting and adhesive tape installation for quick, secure placement anywhere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume Control Dial:\u003c\/strong\u003e On-board volume control lets you fine-tune output levels to match your environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Housing:\u003c\/strong\u003e Compact 82 × 82 × 25 mm black enclosure with integrated audio PCB, speaker, and USB connector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485 Serial\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V – 35V (typical: 12V \/ 24V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82 × 82 × 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Update Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScrew or Adhesive Tape (grooved base)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × RS485 Serial Voice Alert Speaker (12V\/24V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-wire-180-degree-washing-machine-timer-switch-semi-automatic\"\u003e3-Wire 180° Washing Machine Timer Switch | Semi-Automatic\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Screen color calibration may cause slight differences between product images and actual color. Allow ±1–2 mm for manual measurement variation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What communication protocol does this voice alert speaker use?\u003c\/h4\u003e\n\u003cp\u003eA: This device uses the RS485 serial communication protocol, which is widely used in industrial automation, access control, and smart building systems. It supports multi-channel voice triggering via RS485 commands, making it easy to integrate into existing automation networks.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I update the audio files on this RS485 voice broadcaster?\u003c\/h4\u003e\n\u003cp\u003eA: Updating audio is simple — just connect a USB drive with your new audio files to the built-in USB port on the device. The speaker will read and load the updated files without any programming tools, making customization fast and convenient.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage supply does this voice alert speaker require?\u003c\/h4\u003e\n\u003cp\u003eA: The speaker supports a wide DC input range of 5V to 35V, with common operating voltages of 12V and 24V. This broad compatibility makes it suitable for a wide range of industrial and commercial power supply systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this speaker be used in noisy industrial environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With a maximum output of 110 dB, this voice broadcast speaker is designed to project clear, audible alerts even in loud, high-activity environments such as factories, warehouses, and production floors.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What communication protocol does this voice alert speaker use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This device uses the RS485 serial communication protocol, which is widely used in industrial automation, access control, and smart building systems. It supports multi-channel voice triggering via RS485 commands, making it easy to integrate into existing automation networks.\"}}, {\"@type\": \"Question\", \"name\": \"How do I update the audio files on this RS485 voice broadcaster?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Updating audio is simple — just connect a USB drive with your new audio files to the built-in USB port on the device. The speaker will read and load the updated files without any programming tools, making customization fast and convenient.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage supply does this voice alert speaker require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The speaker supports a wide DC input range of 5V to 35V, with common operating voltages of 12V and 24V. This broad compatibility makes it suitable for a wide range of industrial and commercial power supply systems.\"}}, {\"@type\": \"Question\", \"name\": \"Can this speaker be used in noisy industrial environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With a maximum output of 110 dB, this voice broadcast speaker is designed to project clear, audible alerts even in loud, high-activity environments such as factories, warehouses, and production floors.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RS485 Serial Voice Alert Speaker 12V 24V | USB Audio Updates\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/rs485-serial-voice-alert-speaker-12v-24v-usb-audio-updates\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447587872832,"sku":"200007763:201336100","price":118.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S63592efd514b432a9e20bac996e1f528C.webp?v=1792556868"},{"product_id":"tda2030a-15w-single-channel-audio-amplifier-board-dc12v","title":"TDA2030A 15W Audio Amplifier Board | DC 12V Single Channel","description":"\u003ch2\u003eTDA2030A 15W Single Channel Audio Amplifier Board\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio projects with this compact and powerful \u003cstrong\u003eTDA2030A Single Channel Audio Amplifier Board\u003c\/strong\u003e. Delivering up to \u003cstrong\u003e15W RMS\u003c\/strong\u003e output power (peak 20W), this module is built around the trusted TDA2030A digital audio chip, making it an ideal solution for hobbyists, makers, and electronics enthusiasts looking for clear, high-fidelity sound reproduction in a small form factor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Audio Chip:\u003c\/strong\u003e The TDA2030A chip delivers clean, powerful audio output up to 15W RMS and 20W peak at 4 ohms load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates on a single power supply from 9V to 20V — DC 12V (battery or switching power supply) recommended for stable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Frequency Response:\u003c\/strong\u003e Covers 25Hz to 18kHz, capturing rich bass, detailed midrange, and crisp highs across all music genres.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Ultra-slim 60×47mm FR-4 board at only 1.6mm thick — easy to integrate into custom enclosures or existing audio systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Speaker Compatibility:\u003c\/strong\u003e Works with 4–8 ohm speakers rated 10–30W, making it versatile for a wide range of full-range speaker builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eG133 (TDA2030A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 × 47 × 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS \/ FR-4 PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle supply 9V–20V (DC 12V recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–3A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15W RMS \/ 20W Peak @ 4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25Hz – 18kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Speaker Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Speaker Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–30W full-range speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle (Mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × TDA2030A Audio Amplifier Board Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances for listed dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply voltage is recommended for the TDA2030A audio amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The board supports a single power supply ranging from 9V to 20V. A DC 12V power supply (battery or switching adapter) is recommended for optimal stability and audio performance at 15W RMS output.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of speaker is compatible with this TDA2030A amplifier module?\u003c\/h4\u003e\n\u003cp\u003eA: This amplifier board is compatible with speakers rated 4–8 ohms impedance and 10–30W power. A full-range speaker in that specification will work best for clear, balanced audio reproduction across the 25Hz–18kHz frequency range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this board be used in DIY audio projects and custom enclosures?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact 60×47mm PCB footprint and slim 1.6mm FR-4 board design make it straightforward to integrate into custom speaker builds, DIY amplifier enclosures, and electronics projects where space and reliable audio performance are both priorities.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply voltage is recommended for the TDA2030A audio amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board supports a single power supply ranging from 9V to 20V. A DC 12V power supply (battery or switching adapter) is recommended for optimal stability and audio performance at 15W RMS output.\"}}, {\"@type\": \"Question\", \"name\": \"What type of speaker is compatible with this TDA2030A amplifier module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This amplifier board is compatible with speakers rated 4–8 ohms impedance and 10–30W power. A full-range speaker in that specification will work best for clear, balanced audio reproduction across the 25Hz–18kHz frequency range.\"}}, {\"@type\": \"Question\", \"name\": \"Can this board be used in DIY audio projects and custom enclosures?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The compact 60×47mm PCB footprint and slim 1.6mm FR-4 board design make it straightforward to integrate into custom speaker builds, DIY amplifier enclosures, and electronics projects where space and reliable audio performance are both priorities.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"TDA2030A 15W Audio Amplifier Board | DC 12V Single Channel\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/tda2030a-15w-single-channel-audio-amplifier-board-dc12v\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447592624192,"sku":"200007763:201336100","price":44.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S87a6b70172c64fae81a136e01416dcffk.webp?v=1792556905"},{"product_id":"4-pack-lm358-signal-amplifier-modules-adjustable-potentiometers-dc","title":"4-Pack LM358 Signal Amplifier Modules with Adjustable Potentiometers","description":"\u003ch2\u003e4-Pack LM358 Signal Amplifier Modules – Boost Weak DC Signals with Precision\u003c\/h2\u003e\n\u003cp\u003eTake your electronics projects to the next level with this set of \u003cstrong\u003e4 LM358-based Signal Amplifier Modules\u003c\/strong\u003e. Built around the reliable LM358 operational amplifier IC, each module is engineered to detect and amplify weak DC signals — from millivolt-level inputs — delivering strong, stable output for a wide range of DIY and professional electronic applications. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLM358 Op-Amp Core:\u003c\/strong\u003e Each module is centered on the industry-standard LM358 op-amp IC, specifically designed to amplify low-level DC signals effectively and consistently.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMillivolt Signal Detection:\u003c\/strong\u003e Capable of picking up and boosting signals as low as a few millivolts, making these modules ideal for sensitive signal acquisition tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Adjustable Potentiometers:\u003c\/strong\u003e Two onboard potentiometers allow quick and easy fine-tuning of amplification levels — simply rotate counterclockwise to dial in your desired gain without any additional components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (3.5V–24V DC):\u003c\/strong\u003e Compatible with a broad spectrum of DC power supplies, from small battery-powered setups to bench power units, giving you maximum flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality PCB Construction:\u003c\/strong\u003e Each module is built on a green PCB with meticulous attention to component placement, ensuring reliable and repeatable performance across projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue Pack of 4:\u003c\/strong\u003e Receive four identical modules in one purchase — perfect for multi-channel setups, spares, or sharing across multiple builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM358 Signal Amplifier Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain IC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM358 Dual Op-Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5V – 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × Adjustable Potentiometers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (Green)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4 × LM358 Signal Amplifier Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're an electronics hobbyist, a student learning circuit design, or a professional engineer prototyping signal conditioning circuits, these LM358 modules are a versatile, affordable, and dependable addition to your toolkit. They work great with sensor outputs, data acquisition systems, automation circuits, and more.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and display settings. Please allow for minor measurement tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of signals can the LM358 signal amplifier module boost?\u003c\/h4\u003e\n\u003cp\u003eA: The LM358 signal amplifier module is designed to boost weak DC signals, including those as low as a few millivolts. It is well suited for use with low-output sensors, data acquisition units, and other signal conditioning applications in electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the amplification level on these modules?\u003c\/h4\u003e\n\u003cp\u003eA: Each LM358 module features two onboard adjustable potentiometers. To increase or fine-tune the amplification level, simply rotate the potentiometers counterclockwise until you reach your desired signal gain — no extra tools or components required.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage range for these LM358 signal modules?\u003c\/h4\u003e\n\u003cp\u003eA: These modules support a wide DC input voltage range of 3.5V to 24V, making them compatible with most common power supplies including USB power banks, bench supplies, and battery packs used in DIY electronics and prototyping setups.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these modules suitable for beginners in electronics?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The simple two-potentiometer adjustment mechanism and standard PCB form factor make these LM358 signal amplifier modules accessible for beginners while still offering the performance that experienced engineers and hobbyists expect.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of signals can the LM358 signal amplifier module boost?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM358 signal amplifier module is designed to boost weak DC signals, including those as low as a few millivolts. It is well suited for use with low-output sensors, data acquisition units, and other signal conditioning applications in electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the amplification level on these modules?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each LM358 module features two onboard adjustable potentiometers. To increase or fine-tune the amplification level, simply rotate the potentiometers counterclockwise until you reach your desired signal gain — no extra tools or components required.\"}}, {\"@type\": \"Question\", \"name\": \"What is the operating voltage range for these LM358 signal modules?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These modules support a wide DC input voltage range of 3.5V to 24V, making them compatible with most common power supplies including USB power banks, bench supplies, and battery packs used in DIY electronics and prototyping setups.\"}}, {\"@type\": \"Question\", \"name\": \"Are these modules suitable for beginners in electronics?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The simple two-potentiometer adjustment mechanism and standard PCB form factor make these LM358 signal amplifier modules accessible for beginners while still offering the performance that experienced engineers and hobbyists expect.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4-Pack LM358 Signal Amplifier Modules with Adjustable Potentiometers\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/4-pack-lm358-signal-amplifier-modules-adjustable-potentiometers-dc\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447612678208,"sku":"200007763:201336100","price":42.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sb7bf961618cc43e590b8186d4aa7d3dai.webp?v=1792557332"},{"product_id":"2-channel-digital-amplifier-board-2x50w-dc-12v-25v","title":"2.0 Channel Digital Amplifier Board 2×50W DC 12V–25V","description":"\n\u003ch2\u003e2.0 Channel Digital Amplifier Board — 2×50W Stereo Power Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with this compact yet powerful \u003cstrong\u003e2.0 Channel Digital Amplifier Board\u003c\/strong\u003e. Delivering \u003cstrong\u003e2×50W of stereo output\u003c\/strong\u003e across a wide DC input range of \u003cstrong\u003e12V to 25V\u003c\/strong\u003e, this module is ideal for DIY speakers, home audio builds, car audio systems, and custom electronics projects. Available as a bare circuit board or as a finished unit housed in a sleek aluminum shell — choose the version that best fits your build.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Output Stereo Performance:\u003c\/strong\u003e 2×50W output delivers clear, robust audio across both left and right channels for an immersive listening experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates on DC 12V–25V input, giving you the flexibility to use a variety of power supplies across different audio system configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures just 11×9×3.5 cm — easy to integrate into tight enclosures or custom builds without sacrificing space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Versions Available:\u003c\/strong\u003e Choose between a bare circuit board for advanced DIY integration or a finished unit with an aluminum shell for a polished, ready-to-use result.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Output at Higher Voltage:\u003c\/strong\u003e Pairing this module with a 3A or higher power supply at elevated voltages delivers stronger, cleaner audio output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 Channel Digital Amplifier Board\/Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2×50W (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 25V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 × 9 × 3.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum (finished unit version)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYellow, Gray\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 2.0 Channel Digital Amplifier Board\/Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply do I need for the 2×50W digital amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: This digital amplifier board operates on a DC 12V–25V input. For best audio performance, especially at higher voltage settings, a power supply rated at 3A or higher is recommended. A higher voltage within the supported range combined with adequate current will produce stronger and cleaner stereo output.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the bare circuit board version and the finished aluminum shell version?\u003c\/h4\u003e\n\u003cp\u003eA: The bare circuit board version is designed for experienced DIY builders who want to integrate the amplifier module directly into a custom enclosure or project housing. The finished unit with an aluminum shell is a more complete, ready-to-use option that offers physical protection and a cleaner aesthetic — ideal for desktop or standalone audio system use.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this amplifier board compatible with standard home or car audio speakers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With a 2.0 stereo channel configuration and 2×50W output, this amplifier board is compatible with a wide range of passive speakers used in home audio builds, DIY speaker cabinets, and 12V car audio systems. Always match your speaker's impedance and power handling with the module's output for optimal performance.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply do I need for the 2×50W digital amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This digital amplifier board operates on a DC 12V–25V input. For best audio performance, especially at higher voltage settings, a power supply rated at 3A or higher is recommended. A higher voltage within the supported range combined with adequate current will produce stronger and cleaner stereo output.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the bare circuit board version and the finished aluminum shell version?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The bare circuit board version is designed for experienced DIY builders who want to integrate the amplifier module directly into a custom enclosure or project housing. The finished unit with an aluminum shell is a more complete, ready-to-use option that offers physical protection and a cleaner aesthetic — ideal for desktop or standalone audio system use.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board compatible with standard home or car audio speakers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With a 2.0 stereo channel configuration and 2×50W output, this amplifier board is compatible with a wide range of passive speakers used in home audio builds, DIY speaker cabinets, and 12V car audio systems. Always match your speaker's impedance and power handling with the module's output for optimal performance.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2.0 Channel Digital Amplifier Board 2×50W DC 12V–25V\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/2-channel-digital-amplifier-board-2x50w-dc-12v-25v\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"With a case \/ China Mainland","offer_id":41447613825088,"sku":"14:350850#With a case;200007763:201336100","price":159.32,"currency_code":"USD","in_stock":true},{"title":"Without a case \/ China Mainland","offer_id":41447613857856,"sku":"14:365458#Without a case;200007763:201336100","price":107.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S18b46b32c4c04761bc4594ce67984a0c6.webp?v=1792557348"},{"product_id":"xy-p15w-dual-channel-wireless-amplifier-module-dc-8-24v","title":"XY-P15W Dual Channel Wireless Amplifier Module DC 8-24V 30W","description":"\n\u003ch2\u003eXY-P15W Dual Channel Wireless Amplifier Board – DC 8–24V, Up to 30W×2\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio projects to the next level with the \u003cstrong\u003eXY-P15W High-Power Wireless Amplifier Module\u003c\/strong\u003e. This compact yet powerful dual-channel amp board delivers up to \u003cstrong\u003e30W per channel\u003c\/strong\u003e, supports wireless audio streaming from smartphones and tablets, and works with a wide range of speaker impedances — making it an ideal building block for custom speaker systems, home audio projects, and electronics builds.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Power Output:\u003c\/strong\u003e Delivers 10W–30W per channel depending on voltage and speaker impedance (4Ω, 8Ω, 16Ω). Supports DC 8–24V wide-voltage input for flexible power supply options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Audio Streaming:\u003c\/strong\u003e Built-in wireless audio receiver lets you stream music directly from your mobile device — no cables needed. Enjoy a clean, wire-free listening experience up to 15 meters away (unobstructed line of sight).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Protection Circuits:\u003c\/strong\u003e Engineered for durability and safe operation with reverse power connection protection, short-circuit protection, and automatic-recovery overheat protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Pairing:\u003c\/strong\u003e On power-up, the blue LED indicator flashes rapidly to signal pairing mode. Simply locate \"XY-P15W\" on your device and connect — voice prompts confirm the status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Status Indicator:\u003c\/strong\u003e The onboard LED displays current working status at a glance, so you always know the module's connection state.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Sink Recommended at High Power:\u003c\/strong\u003e For continuous output above 20W, attaching a heat sink (not included) is advised to maintain optimal operating temperatures during extended use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eXY-P15W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e2 (Dual Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eDC 8V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e16W×2 @12V\/4Ω | 10W×2 @12V\/8Ω | 15W×2 @16V\/8Ω | 20W×2 @20V\/8Ω | 30W×2 @24V\/8Ω (heat sink required)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSpeaker Impedance Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4Ω (8–12V), 8Ω (8–24V), 16Ω (8–24V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSpeaker Power Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e30W – 150W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWireless Transmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eUp to 15 meters (unobstructed)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e5.1cm × 3.5cm × 2cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePlastic \u0026amp; Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eReverse Connection Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eShort-Circuit Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAuto-Recovery Overheat Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× XY-P15W Amplifier Module\u003c\/li\u003e\n  \u003cli\u003e1× User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What wireless protocol does the XY-P15W amplifier module use for audio streaming?\u003c\/h4\u003e\n\u003cp\u003eA: The XY-P15W uses a built-in wireless audio receiver for seamless streaming from smartphones, tablets, and other compatible mobile devices. Simply power on the module, wait for the blue LED to flash rapidly, locate \"XY-P15W\" on your device's wireless settings, and connect. Voice prompts confirm successful pairing and connection status.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the XY-P15W dual channel amp module require a heat sink?\u003c\/h4\u003e\n\u003cp\u003eA: A heat sink is not required for standard operation at lower power levels. However, when running at continuous output above 20W (e.g., 30W×2 at 24V\/8Ω), attaching a heat sink is strongly recommended to maintain safe operating temperatures and protect the module during prolonged use. The heat sink is not included in the package.\u003c\/p\u003e\n\u003ch4\u003eQ: What speaker impedances and power ratings are compatible with this amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The XY-P15W supports multi-impedance speakers: 4Ω speakers work with an 8–12V power supply, while 8Ω and 16Ω speakers support 8–24V input. Compatible speaker power range is 30W to 150W. Always match your power supply voltage and speaker impedance to the recommended output power chart for best performance.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What wireless protocol does the XY-P15W amplifier module use for audio streaming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XY-P15W uses a built-in wireless audio receiver for seamless streaming from smartphones, tablets, and other compatible mobile devices. Simply power on the module, wait for the blue LED to flash rapidly, locate \\\"XY-P15W\\\" on your device's wireless settings, and connect. Voice prompts confirm successful pairing and connection status.\"}}, {\"@type\": \"Question\", \"name\": \"Does the XY-P15W dual channel amp module require a heat sink?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A heat sink is not required for standard operation at lower power levels. However, when running at continuous output above 20W (e.g., 30W×2 at 24V\/8Ω), attaching a heat sink is strongly recommended to maintain safe operating temperatures and protect the module during prolonged use. The heat sink is not included in the package.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedances and power ratings are compatible with this amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XY-P15W supports multi-impedance speakers: 4Ω speakers work with an 8–12V power supply, while 8Ω and 16Ω speakers support 8–24V input. Compatible speaker power range is 30W to 150W. Always match your power supply voltage and speaker impedance to the recommended output power chart for best performance.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"XY-P15W Dual Channel Wireless Amplifier Module DC 8-24V 30W\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/xy-p15w-dual-channel-wireless-amplifier-module-dc-8-24v\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Has a shell \/ China Mainland","offer_id":41447632928832,"sku":"14:365458#Has a shell;200007763:201336100","price":44.3,"currency_code":"USD","in_stock":true},{"title":"shell-less \/ China Mainland","offer_id":41447632961600,"sku":"14:350850#shell-less;200007763:201336100","price":42.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sb28d3a19881a4f6684f828058350c378N.webp?v=1792557794"},{"product_id":"bluetooth-5-mp3-decoder-board-diy-audio-receiver-module-5-pack","title":"5-Pack Bluetooth 5.0 MP3 Decoder Board – DIY Audio Module","description":"\n\u003ch2\u003e5-Pack Bluetooth 5.0 MP3 Decoder Board | DIY Wireless Stereo Audio Receiver Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio projects with this set of 5 Bluetooth 5.0 MP3 Decoder Boards. Whether you're building a custom amplifier, retrofitting a speaker system, or experimenting with wireless audio, this compact PCB module delivers clean, high-fidelity stereo sound with minimal setup. Powered via USB Type-C (5V), it's ready to integrate into virtually any electronics project.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 Connectivity:\u003c\/strong\u003e Enjoy stable, low-latency wireless audio streaming with a range exceeding 5 meters — compatible with a wide range of Bluetooth-enabled devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In MP3 Decoder:\u003c\/strong\u003e High-quality onboard MP3 decoding ensures your audio tracks are reproduced faithfully without compromise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Power Input (5V):\u003c\/strong\u003e Simple and convenient power supply via standard USB Type-C, with an alternative DC 3.7–5V option for direct soldering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 3.5mm Audio Jack:\u003c\/strong\u003e Plug directly into headphones or amplifier inputs for immediate, hassle-free audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Audio Performance:\u003c\/strong\u003e Signal-to-Noise Ratio of 90dB, THD+N of -70dB, crosstalk of -86dB, and DNR of 91dB ensure clear, rich stereo sound.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Profile Support:\u003c\/strong\u003e Compatible with A2DP, AVCTP, AVDTP, and HFP profiles for versatile device compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMP3 Decoder Board\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (Black)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V via Type-C Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoldering Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3.7V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD+N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-70dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrosstalk\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-86dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e91dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Profiles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA2DP \/ AVCTP \/ AVDTP \/ HFP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 5 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5mm Stereo Jack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × MP3 Decoder Boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices are compatible with this Bluetooth 5.0 MP3 decoder board?\u003c\/h4\u003e\n\u003cp\u003eA: This decoder board is compatible with any Bluetooth 5.0-enabled device, including smartphones, tablets, laptops, and other audio sources. It supports A2DP, AVCTP, AVDTP, and HFP profiles, making it suitable for a wide range of wireless audio applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I power the MP3 decoder board in my DIY project?\u003c\/h4\u003e\n\u003cp\u003eA: You can power the board in two ways: via a USB Type-C cable at 5V for easy plug-and-play use, or by soldering directly to a DC power supply in the 3.7V–5V range, which is ideal for embedded or battery-powered DIY builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these decoder boards with amplifiers as well as headphones?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The 3.5mm stereo output jack connects directly to standard headphone inputs or amplifier line-in ports, making this module a versatile choice for both personal listening setups and larger DIY amplifier projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why are 5 boards included in this pack?\u003c\/h4\u003e\n\u003cp\u003eA: The 5-pack is designed for electronics enthusiasts, makers, and hobbyists who need multiple units for prototyping, testing, or building several projects at once — offering excellent value per board.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices are compatible with this Bluetooth 5.0 MP3 decoder board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This decoder board is compatible with any Bluetooth 5.0-enabled device, including smartphones, tablets, laptops, and other audio sources. It supports A2DP, AVCTP, AVDTP, and HFP profiles, making it suitable for a wide range of wireless audio applications.\"}}, {\"@type\": \"Question\", \"name\": \"How do I power the MP3 decoder board in my DIY project?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can power the board in two ways: via a USB Type-C cable at 5V for easy plug-and-play use, or by soldering directly to a DC power supply in the 3.7V–5V range, which is ideal for embedded or battery-powered DIY builds.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use these decoder boards with amplifiers as well as headphones?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The 3.5mm stereo output jack connects directly to standard headphone inputs or amplifier line-in ports, making this module a versatile choice for both personal listening setups and larger DIY amplifier projects.\"}}, {\"@type\": \"Question\", \"name\": \"Why are 5 boards included in this pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 5-pack is designed for electronics enthusiasts, makers, and hobbyists who need multiple units for prototyping, testing, or building several projects at once — offering excellent value per board.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Pack Bluetooth 5.0 MP3 Decoder Board – DIY Audio Module\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/bluetooth-5-mp3-decoder-board-diy-audio-receiver-module-5-pack\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447638728768,"sku":"200007763:201336100","price":40.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S7ffba5d6eb8c456193099d1befd970b9k.webp?v=1792558002"},{"product_id":"5m-6ghz-wideband-rf-amplifier-module-20db-vhf-uhf-fm-shielded","title":"5M–6GHz Wideband RF Amplifier Module 20dB VHF UHF FM Shielded","description":"\n\u003ch2\u003e5M–6GHz Wideband RF Amplifier Module with 20dB Gain \u0026amp; Shielded Enclosure\u003c\/h2\u003e\n\u003cp\u003eUpgrade your radio frequency projects with this compact, high-performance wideband RF amplifier module from \u003cstrong\u003eHpLive\u003c\/strong\u003e. Covering an impressive range from \u003cstrong\u003e5MHz all the way to 6GHz\u003c\/strong\u003e, this module delivers a solid \u003cstrong\u003e20dB gain\u003c\/strong\u003e across VHF, UHF, FM, and microwave bands — making it an ideal building block for signal boosting in SDR receivers, antenna systems, test benches, and DIY RF electronics.\u003c\/p\u003e\n\u003cp\u003eThe rugged shielded enclosure (just 34×25mm) keeps stray interference out and ensures stable, clean signal amplification wherever you need it. Whether you're improving a software-defined radio setup or building a custom RF chain, this module offers exceptional performance in a tiny footprint.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Wide Frequency Range:\u003c\/strong\u003e Covers 5MHz to 6GHz — compatible with FM, VHF, UHF, L-band, S-band, and beyond\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20dB High Gain:\u003c\/strong\u003e Significantly boosts weak signals for improved system sensitivity and range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Output Power:\u003c\/strong\u003e Up to +21dBm output at the 1dB compression point for reliable, consistent transmission\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Draw:\u003c\/strong\u003e Operates at just 85mA from a 5V DC supply — energy-efficient for battery or USB-powered builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielded Metal Enclosure:\u003c\/strong\u003e Integrated shielding minimizes external RF interference for clean amplification\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 34×25mm (1.33×0.98 in) — slots easily into tight PCB layouts or enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5M–6GHz RF Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5MHz – 6GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power (P1dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+21dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34 × 25mm \/ 1.33 × 0.98 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShielding\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — integrated metal shell\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHpLive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 5M–6GHz RF Amplifier Module (with shielding shell)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What frequency bands does this RF amplifier module support?\u003c\/h4\u003e\n\u003cp\u003eA: This wideband RF amplifier module supports an exceptionally broad frequency range of \u003cstrong\u003e5MHz to 6GHz\u003c\/strong\u003e, covering FM, VHF, UHF, L-band, S-band, and more. It is suitable for use with software-defined radios (SDR), antenna preamplifiers, signal generators, and other RF electronics projects across a wide spectrum.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does this RF module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module runs on a standard \u003cstrong\u003e5V DC supply\u003c\/strong\u003e and draws only \u003cstrong\u003e85mA\u003c\/strong\u003e, making it compatible with common USB power sources, regulated benchtop supplies, and embedded microcontroller platforms like Arduino or Raspberry Pi.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the shielded enclosure make a noticeable difference in signal quality?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The integrated metal shielding shell significantly reduces external electromagnetic interference (EMI) that can degrade amplified signals. This is especially important in densely populated RF environments or when working with sensitive low-level signals where noise floors matter.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the gain and output power of this amplifier module?\u003c\/h4\u003e\n\u003cp\u003eA: This RF amplifier delivers a \u003cstrong\u003e20dB gain\u003c\/strong\u003e and provides a stable output power of up to \u003cstrong\u003e+21dBm at the 1dB compression point (P1dB)\u003c\/strong\u003e, ensuring reliable and consistent amplification even at higher signal levels without distortion.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What frequency bands does this RF amplifier module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This wideband RF amplifier module supports an exceptionally broad frequency range of 5MHz to 6GHz, covering FM, VHF, UHF, L-band, S-band, and more. It is suitable for use with software-defined radios (SDR), antenna preamplifiers, signal generators, and other RF electronics projects across a wide spectrum.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply does this RF module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module runs on a standard 5V DC supply and draws only 85mA, making it compatible with common USB power sources, regulated benchtop supplies, and embedded microcontroller platforms like Arduino or Raspberry Pi.\"}}, {\"@type\": \"Question\", \"name\": \"Does the shielded enclosure make a noticeable difference in signal quality?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The integrated metal shielding shell significantly reduces external electromagnetic interference (EMI) that can degrade amplified signals. This is especially important in densely populated RF environments or when working with sensitive low-level signals where noise floors matter.\"}}, {\"@type\": \"Question\", \"name\": \"What is the gain and output power of this amplifier module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This RF amplifier delivers a 20dB gain and provides a stable output power of up to +21dBm at the 1dB compression point (P1dB), ensuring reliable and consistent amplification even at higher signal levels without distortion.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5M–6GHz Wideband RF Amplifier Module 20dB VHF UHF FM Shielded\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/5m-6ghz-wideband-rf-amplifier-module-20db-vhf-uhf-fm-shielded\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447646199872,"sku":"200007763:201336100","price":50.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S8c2334fbac034226a94338bb822d932cq.webp?v=1792558129"},{"product_id":"pll-multi-band-radio-receiver-kit-fm-vhf-diy-module","title":"PLL Multi-Band Radio Receiver DIY Kit – FM \u0026 VHF Module","description":"\n\u003ch2\u003ePLL Multi-Band Radio Receiver Kit – FM Broadcast \u0026amp; VHF Air Band DIY Module\u003c\/h2\u003e\n\u003cp\u003eTake your electronics hobby to the next level with this hands-on \u003cstrong\u003ePLL Radio Wave Reception Experimental Kit\u003c\/strong\u003e. Designed for enthusiasts, students, and hobbyists, this unassembled DIY kit lets you build your own dual-band radio receiver from scratch — covering both the \u003cstrong\u003eFM broadcast band (88–108 MHz)\u003c\/strong\u003e and the \u003cstrong\u003eVHF aviation AM band (118–136 MHz)\u003c\/strong\u003e. From soldering and debugging to tuning and listening, every step deepens your understanding of real-world radio circuit design. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Band Reception:\u003c\/strong\u003e Switches between FM broadcast (88–108 MHz) and VHF aviation AM (118–136 MHz) — perfect for a wide range of radio experiments and projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7-Segment Digital Frequency Display:\u003c\/strong\u003e A bright red LED digital tube shows the received frequency with 10 KHz resolution, making it easy to monitor and tune signals in real time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue DIY Experience:\u003c\/strong\u003e Comes as a complete loose-component kit — you assemble, solder, and debug every part, building genuine circuit-level skills along the way.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePLL Local Oscillator:\u003c\/strong\u003e The built-in Phase-Locked Loop (PLL) oscillator ensures stable, precise frequency tuning across both bands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven RF Scheme:\u003c\/strong\u003e Uses the classic \u003cstrong\u003eTA2003 Mixer\u003c\/strong\u003e paired with the \u003cstrong\u003eTA7613 IF \u0026amp; Audio Amplifier\u003c\/strong\u003e — a well-documented combination ideal for learning superheterodyne receiver design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTC8H1K17 Microcontroller:\u003c\/strong\u003e The onboard MCU handles frequency synthesis and display logic, giving you exposure to embedded control in a real RF application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 12V Operation:\u003c\/strong\u003e Powered by a standard 12V DC supply for consistent, stable performance during bench experiments indoors or outdoors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLL Radio Wave Reception Experimental Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic, Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoose Component Kit (Unassembled)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFM Frequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88–108 MHz (FM Broadcast)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVHF Frequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e118–136 MHz (Aviation AM Band)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntermediate Frequency (IF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.7 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Controller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTC8H1K17 Microcontroller\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Scheme\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTA2003 Mixer + TA7613 IF \u0026amp; Audio Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOscillator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in PLL Local Oscillator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-Segment Red Digital Tube, 10 KHz Resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PLL Radio Wave Reception Experimental Kit (Unassembled Loose Components)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is a great choice for electronics students, radio amateurs, and DIY circuit builders who want a meaningful project that covers RF fundamentals, microcontroller integration, and PCB soldering. Whether you're exploring radio theory for the first time or expanding your project portfolio, this receiver kit delivers a rewarding build experience.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The actual color of the item may vary slightly from on-screen images due to monitor brightness and ambient lighting. Please allow for minor manual measurement deviations in stated dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this PLL radio receiver kit come pre-assembled or do I need to solder it myself?\u003c\/h4\u003e\n\u003cp\u003eA: This kit comes as a set of \u003cstrong\u003eloose, unassembled components\u003c\/strong\u003e. You will need to solder and assemble all parts yourself, making it an ideal hands-on learning project for electronics hobbyists and students interested in radio circuit construction.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What frequency bands does this multi-band receiver kit support?\u003c\/h4\u003e\n\u003cp\u003eA: The kit supports two frequency bands: the \u003cstrong\u003eFM broadcast band from 88 to 108 MHz\u003c\/strong\u003e and the \u003cstrong\u003eVHF aviation AM band from 118 to 136 MHz\u003c\/strong\u003e. An intermediate frequency (IF) of 10.7 MHz is used for signal processing in both modes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does this DIY radio receiver kit require?\u003c\/h4\u003e\n\u003cp\u003eA: The kit operates on a standard \u003cstrong\u003eDC 12V power supply\u003c\/strong\u003e. A regulated 12V DC adapter (not included) is recommended to ensure stable and consistent performance during your experiments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this PLL receiver kit suitable for beginners in electronics?\u003c\/h4\u003e\n\u003cp\u003eA: It is best suited for \u003cstrong\u003eintermediate-level hobbyists\u003c\/strong\u003e who are comfortable with soldering and basic circuit debugging. Beginners with some prior soldering experience will also find it achievable and highly educational, as it covers real RF receiver design using the TA2003 mixer and TA7613 amplifier ICs with an STC8H1K17 microcontroller.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this PLL radio receiver kit come pre-assembled or do I need to solder it myself?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This kit comes as a set of loose, unassembled components. You will need to solder and assemble all parts yourself, making it an ideal hands-on learning project for electronics hobbyists and students interested in radio circuit construction.\"}}, {\"@type\": \"Question\", \"name\": \"What frequency bands does this multi-band receiver kit support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit supports two frequency bands: the FM broadcast band from 88 to 108 MHz and the VHF aviation AM band from 118 to 136 MHz. An intermediate frequency (IF) of 10.7 MHz is used for signal processing in both modes.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply does this DIY radio receiver kit require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit operates on a standard DC 12V power supply. A regulated 12V DC adapter (not included) is recommended to ensure stable and consistent performance during your experiments.\"}}, {\"@type\": \"Question\", \"name\": \"Is this PLL receiver kit suitable for beginners in electronics?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is best suited for intermediate-level hobbyists who are comfortable with soldering and basic circuit debugging. Beginners with some prior soldering experience will also find it achievable and highly educational, as it covers real RF receiver design using the TA2003 mixer and TA7613 amplifier ICs with an STC8H1K17 microcontroller.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PLL Multi-Band Radio Receiver DIY Kit – FM \u0026 VHF Module\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/pll-multi-band-radio-receiver-kit-fm-vhf-diy-module\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447656783936,"sku":"200007763:201336100","price":217.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Seb4ce31ad8e244d1989d366ef02df351h.webp?v=1792558656"},{"product_id":"dual-tpa3255-stereo-amplifier-board-2-channel-hifi-audio-amp","title":"Dual TPA3255 Stereo Amp Board 2-Channel HiFi Audio 600W","description":"\n\u003ch2\u003eDual TPA3255 2-Channel Stereo Amplifier Board for HiFi Audio Setups\u003c\/h2\u003e\n\u003cp\u003eElevate your home audio system with the \u003cstrong\u003eSAMP-300 Dual TPA3255 Stereo Amplifier Board\u003c\/strong\u003e — a high-performance, 2-channel audio amp board engineered for audiophiles and DIY audio enthusiasts. Featuring twin TPA3255 chips, premium passive components, and an energy-efficient power-saving mode, this compact amp board delivers exceptional clarity and powerful output for any HiFi speaker setup.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual TPA3255 Chip Technology:\u003c\/strong\u003e Two cutting-edge TPA3255 chips work in tandem to maximize audio output, delivering rich, powerful stereo sound in a compact PCB form factor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-Saving Mode:\u003c\/strong\u003e An integrated power-saving mode optimizes energy consumption during extended listening sessions without any compromise in audio quality — perfect for home theater or desktop setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Accepts DC 19V–52V, offering exceptional flexibility to integrate with a variety of power supplies and HiFi audio configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Passive Components:\u003c\/strong\u003e Equipped with shielded low-loss inductors and high-quality filter capacitors for ultra-low distortion (THD+N: 0.006% @ 1W\/4Ω; \u0026lt;0.01% at clipping), ensuring a clean and immersive listening experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Integrate:\u003c\/strong\u003e At just 13.8 × 12.8 × 3 cm, this amp board slots seamlessly into existing builds, speaker enclosures, or custom DIY audio projects without taking up excess space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAMP-300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Channel Stereo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600W+600W @ 2Ω | 315W+315W @ 4Ω | 200W+200W @ 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD+N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.006% @ 1W\/4Ω; \u0026lt;0.01% at clipping\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC +19V ~ +52V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.8 × 12.8 × 3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 2-Channel TPA3255 Audio Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from product images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a slight manual measurement deviation (±1–2 mm) for dimensional data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the TPA3255 amplifier board require?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3255 stereo amplifier board accepts a wide DC input voltage range of +19V to +52V, giving you flexibility to pair it with various power supplies suitable for HiFi home audio or DIY speaker builds.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum output power of this 2-channel amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: This dual TPA3255 amp board delivers up to 600W+600W at 2Ω, 315W+315W at 4Ω, and 200W+200W at 8Ω, making it suitable for driving a wide range of HiFi and home theater speaker systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this amplifier board suitable for DIY HiFi audio projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Its compact 13.8 × 12.8 × 3 cm PCB design, wide voltage compatibility, and power-saving mode make the SAMP-300 an excellent choice for custom speaker enclosures, desktop amplifiers, or any DIY HiFi audio setup.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the TPA3255 amplifier board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TPA3255 stereo amplifier board accepts a wide DC input voltage range of +19V to +52V, giving you flexibility to pair it with various power supplies suitable for HiFi home audio or DIY speaker builds.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum output power of this 2-channel amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This dual TPA3255 amp board delivers up to 600W+600W at 2Ω, 315W+315W at 4Ω, and 200W+200W at 8Ω, making it suitable for driving a wide range of HiFi and home theater speaker systems.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board suitable for DIY HiFi audio projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. Its compact 13.8 × 12.8 × 3 cm PCB design, wide voltage compatibility, and power-saving mode make the SAMP-300 an excellent choice for custom speaker enclosures, desktop amplifiers, or any DIY HiFi audio setup.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Dual TPA3255 Stereo Amp Board 2-Channel HiFi Audio 600W\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/dual-tpa3255-stereo-amplifier-board-2-channel-hifi-audio-amp\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"SAMP-200 \/ China Mainland","offer_id":41447659470912,"sku":"14:365458#SAMP-200;200007763:201336100","price":187.75,"currency_code":"USD","in_stock":true},{"title":"SAMP-300 \/ China Mainland","offer_id":41447659503680,"sku":"14:350850#SAMP-300;200007763:201336100","price":233.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sd0fafa57dce949aaa0e9717aa275f18dy.webp?v=1792558682"},{"product_id":"2-channel-passive-audio-isolator-6-5mm-xlr-input-output","title":"2-Channel Passive Audio Isolator | 6.5mm \u0026 XLR | HpLive","description":"\n\u003ch2\u003eHpLive 2-Channel Passive Audio Isolator – Clean, Noise-Free Sound\u003c\/h2\u003e\n\u003cp\u003eTake full control of your audio signal chain with this professional-grade \u003cstrong\u003epassive direct-connect audio isolator\u003c\/strong\u003e from HpLive. Featuring dual-channel 6.5mm (TRS) and XLR input\/output connectivity, this compact aluminum alloy unit eliminates ground loop hum, unwanted current noise, and digital artifacts — delivering clean, balanced audio in any live or studio setting. No power supply required; just plug in and go.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Isolation:\u003c\/strong\u003e Full physical input\/output isolation across both channels keeps your signal path completely clean and interference-free.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6.5mm \u0026amp; XLR Compatibility:\u003c\/strong\u003e Supports balanced and unbalanced switching between 6.5mm TRS and XLR connectors — ideal for mixing consoles, live streaming rigs, PA systems, and recording setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGround Loop Elimination:\u003c\/strong\u003e Breaks grounding circuits that introduce current noise and hum, protecting your equipment from voltage surge-induced electrostatic damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalanced\/Unbalanced Switching:\u003c\/strong\u003e Seamlessly converts between balanced and unbalanced signals for maximum compatibility with professional and consumer audio gear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Setup:\u003c\/strong\u003e No drivers, no power — simply connect your cables and enjoy improved sound quality instantly. Beginner-friendly and pro-approved.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Aluminum Alloy Body:\u003c\/strong\u003e Compact (9.2 × 7.3 × 4 cm) and durable, built for the demands of stage and studio environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e2-Channel (Dual)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eConnector Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e6.5mm TRS \u0026amp; XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSignal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBalanced \/ Unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eNone (Passive)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e9.2 × 7.3 × 4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Audio Isolator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a passive audio isolator and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A passive audio isolator uses transformers to electrically separate your audio signal path, breaking ground loops and blocking current noise without requiring any external power. This 2-channel unit accepts 6.5mm TRS and XLR inputs\/outputs, converting between balanced and unbalanced signals while keeping your audio clean and free of hum or digital artifacts.\u003c\/p\u003e\n\u003ch4\u003eQ: What audio setups is this isolator compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This audio isolator is compatible with mixing consoles, live streaming setups, PA systems, soundboards, studio monitors, and a wide range of professional or consumer audio equipment that uses 6.5mm TRS or XLR connectors. It works across platforms and operating systems since no drivers or software are needed.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any special tools or technical knowledge to install it?\u003c\/h4\u003e\n\u003cp\u003eA: No — setup is completely plug-and-play. Simply connect your input and output cables to the corresponding 6.5mm or XLR ports. No power supply, no drivers, and no technical expertise required. It's designed to be straightforward for both beginners and seasoned audio professionals.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a passive audio isolator and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A passive audio isolator uses transformers to electrically separate your audio signal path, breaking ground loops and blocking current noise without requiring any external power. This 2-channel unit accepts 6.5mm TRS and XLR inputs\/outputs, converting between balanced and unbalanced signals while keeping your audio clean and free of hum or digital artifacts.\"}}, {\"@type\": \"Question\", \"name\": \"What audio setups is this isolator compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This audio isolator is compatible with mixing consoles, live streaming setups, PA systems, soundboards, studio monitors, and a wide range of professional or consumer audio equipment that uses 6.5mm TRS or XLR connectors. It works across platforms and operating systems since no drivers or software are needed.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any special tools or technical knowledge to install it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — setup is completely plug-and-play. Simply connect your input and output cables to the corresponding 6.5mm or XLR ports. No power supply, no drivers, and no technical expertise required. It's designed to be straightforward for both beginners and seasoned audio professionals.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2-Channel Passive Audio Isolator | 6.5mm \u0026 XLR | HpLive\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/2-channel-passive-audio-isolator-6-5mm-xlr-input-output\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447660060736,"sku":"200007763:201336100","price":144.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S051264866f884d40b3180a1de5d28720u.webp?v=1792558690"},{"product_id":"45mm-dual-channel-slide-fader-ct670-b10k-b50k-linear-potentiometer","title":"45mm Dual-Channel Slide Fader CT670 B10K B50K Linear Potentiometer","description":"\u003ch2\u003e45mm Dual-Channel Straight-Slide Fader — CT670 Volume Potentiometer\u003c\/h2\u003e\n\u003cp\u003eKeep your electronic keyboard performing at its best with this precision-engineered \u003cstrong\u003e45mm dual-channel straight-slide fader potentiometer\u003c\/strong\u003e. Designed specifically for the \u003cstrong\u003eCT670 electronic keyboard\u003c\/strong\u003e, this replacement fader delivers smooth, consistent volume control with a linear taper response — making it a reliable drop-in fix for worn or unresponsive sliders.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e45mm Travel Fader:\u003c\/strong\u003e 30mm slide travel with a 15mm handle length for precise, tactile volume adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Design:\u003c\/strong\u003e Stereo dual-potentiometer structure — compatible with dual-channel circuits for balanced left\/right audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB10K \/ B50K Resistance Options:\u003c\/strong\u003e Choose the resistance value that matches your keyboard model for seamless compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLinear Taper Response:\u003c\/strong\u003e Delivers accurate, proportional resistance changes throughout the full range of travel — no sudden jumps or dead spots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Film Construction:\u003c\/strong\u003e High-quality carbon film track ensures smooth sliding feel and long-lasting, consistent performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDustproof Film Included:\u003c\/strong\u003e Built-in dustproof film protects the resistive track from debris and extends component lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-Pin Layout:\u003c\/strong\u003e Specifically engineered for CT670 keyboard circuit boards — no modifications required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlide Travel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandle Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB10K \/ B50K (Dual Potentiometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTaper Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLinear (B-Taper)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Pins\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon Film\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDustproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — dustproof film included\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVolume Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 45mm Dual-Channel Slide Fader Potentiometer (CT670)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cp\u003eLooking for other electronics and DIY components? Check out these items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor color settings and ambient lighting may cause slight color variation from product images. Please allow ±1–2mm manual measurement tolerance.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which keyboard models is this CT670 slide fader potentiometer compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 45mm dual-channel slide fader is specifically designed for the CT670 electronic keyboard. Its 10-pin layout and 45mm overall length match the CT670 circuit board. Always verify the resistance value (B10K or B50K) and pin configuration against your keyboard's service manual before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the B10K and B50K resistance options?\u003c\/h4\u003e\n\u003cp\u003eA: Both are linear taper (B-type) potentiometers — the difference is their total resistance value. B10K has a 10,000-ohm range and B50K has a 50,000-ohm range. The correct choice depends on your keyboard's circuit design. Check your existing fader's markings or your keyboard's schematic to confirm which value is required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does \"linear taper\" mean for a slide potentiometer?\u003c\/h4\u003e\n\u003cp\u003eA: A linear taper (B-taper) potentiometer provides a resistance change that is directly proportional to the physical position of the slider. This means the resistance increases evenly as you move the fader from one end to the other — ideal for volume and level control applications where precise, predictable adjustment is needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this fader include a dustproof cover?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This slide fader comes with a built-in dustproof film that covers the resistive track, helping to keep dust and debris out and maintain smooth, consistent performance over time.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which keyboard models is this CT670 slide fader potentiometer compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 45mm dual-channel slide fader is specifically designed for the CT670 electronic keyboard. Its 10-pin layout and 45mm overall length match the CT670 circuit board. Always verify the resistance value (B10K or B50K) and pin configuration against your keyboard's service manual before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the B10K and B50K resistance options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both are linear taper (B-type) potentiometers — the difference is their total resistance value. B10K has a 10,000-ohm range and B50K has a 50,000-ohm range. The correct choice depends on your keyboard's circuit design. Check your existing fader's markings or your keyboard's schematic to confirm which value is required.\"}}, {\"@type\": \"Question\", \"name\": \"What does \\\"linear taper\\\" mean for a slide potentiometer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A linear taper (B-taper) potentiometer provides a resistance change that is directly proportional to the physical position of the slider. This means the resistance increases evenly as you move the fader from one end to the other — ideal for volume and level control applications where precise, predictable adjustment is needed.\"}}, {\"@type\": \"Question\", \"name\": \"Does this fader include a dustproof cover?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This slide fader comes with a built-in dustproof film that covers the resistive track, helping to keep dust and debris out and maintain smooth, consistent performance over time.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"45mm Dual-Channel Slide Fader CT670 B10K B50K Linear Potentiometer\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/45mm-dual-channel-slide-fader-ct670-b10k-b50k-linear-potentiometer\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"B10K \/ China Mainland","offer_id":41447670218816,"sku":"14:366#B10K;200007763:201336100","price":6.81,"currency_code":"USD","in_stock":true},{"title":"B50K \/ China Mainland","offer_id":41447670251584,"sku":"14:200003699#B50K;200007763:201336100","price":6.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S71b75ef924d4439b8fa006fa050f9a70p.webp?v=1792558965"},{"product_id":"dual-channel-speaker-protection-board-boot-delay-dc-kit","title":"Dual Channel Speaker Protection Board Boot Delay DC Kit","description":"\n\u003ch2\u003eDual Channel Audio Speaker Protection Board with Boot Delay\u003c\/h2\u003e\n\u003cp\u003eKeep your audio setup safe and performing at its best with this compact \u003cstrong\u003eDual Channel Speaker Protection Board\u003c\/strong\u003e. Whether you're building a DIY amplifier or upgrading an existing audio system, this board provides a reliable startup delay and DC protection to guard your speakers against power-on surges and DC offset signals. Available as a \u003cstrong\u003eDIY kit (Type A)\u003c\/strong\u003e requiring self-assembly and soldering, or as a \u003cstrong\u003efinished, pre-soldered unit (Type B)\u003c\/strong\u003e ready to install.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple, Reliable Circuit Design:\u003c\/strong\u003e A straightforward circuit layout makes integration easy for DIY electronics enthusiasts of all skill levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoot Delay Protection:\u003c\/strong\u003e Built-in 3–5 second sampling delay for 1.2V DC ensures a smooth, controlled startup, protecting your speakers from power-on transients.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Channel Capability:\u003c\/strong\u003e Designed to handle two audio channels simultaneously, making it ideal for stereo and multi-output audio setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Operating Voltage:\u003c\/strong\u003e Operates on AC 12–16V; using an independent power supply is recommended for optimal stability and performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measuring just 65mm × 40mm × 25mm, it fits neatly into tight enclosures without sacrificing functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAudio Speaker Protection Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA (Kit – self-assembly \u0026amp; soldering required) \/ B (Finished – pre-soldered \u0026amp; tested)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic, Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 × 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 12–16V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDelay Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–5 seconds (1.2V DC sampling)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Audio Speaker Protection Board (Kit or Finished, per selection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColors may vary slightly from images due to monitor settings and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement deviations (±1–2mm) due to manual measuring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between Type A (Kit) and Type B (Finished) speaker protection boards?\u003c\/h4\u003e\n\u003cp\u003eA: Type A is an unassembled DIY kit that requires self-assembly and soldering — perfect for hobbyists who enjoy hands-on electronics projects. Type B comes fully soldered and tested, ready to install directly into your audio setup with no additional work required.\u003c\/p\u003e\n\u003ch4\u003eQ: What operating voltage does this dual channel speaker protection board require?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board is designed to operate on an AC input voltage of 12–16V. For best results and stable performance, it is recommended to use an independent power supply rather than sharing power with your amplifier.\u003c\/p\u003e\n\u003ch4\u003eQ: Why does the speaker protection board have a 3–5 second boot delay?\u003c\/h4\u003e\n\u003cp\u003eA: The 3–5 second sampling delay prevents power-on transients and DC offset from reaching your speakers at startup. This brief delay allows the amplifier circuit to stabilize before the output is connected, helping to protect your speakers from potential damage during power-on.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this protection board be used with stereo amplifier setups?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This board features dual channel capability, making it fully compatible with stereo amplifier configurations and other dual-output audio setups. It effectively monitors and protects both left and right audio channels simultaneously.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between Type A (Kit) and Type B (Finished) speaker protection boards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Type A is an unassembled DIY kit that requires self-assembly and soldering — perfect for hobbyists who enjoy hands-on electronics projects. Type B comes fully soldered and tested, ready to install directly into your audio setup with no additional work required.\"}}, {\"@type\": \"Question\", \"name\": \"What operating voltage does this dual channel speaker protection board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board is designed to operate on an AC input voltage of 12–16V. For best results and stable performance, it is recommended to use an independent power supply rather than sharing power with your amplifier.\"}}, {\"@type\": \"Question\", \"name\": \"Why does the speaker protection board have a 3–5 second boot delay?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 3–5 second sampling delay prevents power-on transients and DC offset from reaching your speakers at startup. This brief delay allows the amplifier circuit to stabilize before the output is connected, helping to protect your speakers from potential damage during power-on.\"}}, {\"@type\": \"Question\", \"name\": \"Can this protection board be used with stereo amplifier setups?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This board features dual channel capability, making it fully compatible with stereo amplifier configurations and other dual-output audio setups. It effectively monitors and protects both left and right audio channels simultaneously.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Dual Channel Speaker Protection Board Boot Delay DC Kit\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/dual-channel-speaker-protection-board-boot-delay-dc-kit\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"A \/ China Mainland","offer_id":41447674150976,"sku":"14:365458#A;200007763:201336100","price":9.65,"currency_code":"USD","in_stock":true},{"title":"B \/ China Mainland","offer_id":41447674183744,"sku":"14:350850#B;200007763:201336100","price":17.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S374aa58f8ad0457ebd80155e1259d79aW.webp?v=1792559838"},{"product_id":"pll-multi-band-radio-receiver-kit-fm-vhf-diy-electronics","title":"PLL Multi-Band Radio Receiver DIY Kit – FM \u0026 VHF 88–136MHz","description":"\n\u003ch2\u003ePLL Multi-Band Radio Wave Reception Experimental Kit\u003c\/h2\u003e\n\u003cp\u003eTake your electronics hobby to the next level with this hands-on \u003cstrong\u003ePLL Radio Wave Reception Kit\u003c\/strong\u003e. Covering both FM broadcast (88–108 MHz) and VHF aviation AM band (118–136 MHz), this DIY soldering kit is the perfect learning platform for hobbyists, students, and amateur radio enthusiasts who want a deep, practical understanding of radio receiver circuit design.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Band Reception:\u003c\/strong\u003e Tune into standard FM broadcasts (88–108 MHz) AND the aviation AM band (118–136 MHz) — two distinct frequency ranges in one compact project board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Frequency Display:\u003c\/strong\u003e A vivid 7-segment red digital tube readout with 10 KHz resolution lets you monitor received frequencies at a glance, making tuning intuitive and educational.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHands-On DIY Assembly:\u003c\/strong\u003e Ships as a \u003cem\u003eloose component kit\u003c\/em\u003e (unassembled), so you get real-world practice with soldering, component identification, and circuit debugging — essential skills for any electronics learner.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In PLL Local Oscillator:\u003c\/strong\u003e The Phase-Locked Loop oscillator ensures stable, accurate frequency locking for clean signal reception across both bands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven RF Architecture:\u003c\/strong\u003e Built around the TA2003 mixer and TA7613 IF \u0026amp; audio amplifier IC pair, with an STC8H1K17 microcontroller at the helm — a tried-and-tested superheterodyne design with a 10.7 MHz intermediate frequency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Power Supply:\u003c\/strong\u003e Runs on a standard DC 12V supply, making it easy to power on your workbench or in the field.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLL Radio Wave Reception Experimental Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88–108 MHz (FM Broadcast) \/ 118–136 MHz (Aviation AM Band)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Controller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTC8H1K17 Microcontroller\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Scheme\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTA2003 Mixer + TA7613 IF \u0026amp; Audio Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntermediate Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.7 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOscillator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in PLL Local Oscillator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-Segment Red Digital Tube, 10 KHz Resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic, Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen (PCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoose Component Kit (Unassembled)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PLL Radio Wave Reception Experimental Kit (loose components)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for electronics students, DIY makers, amateur radio hobbyists, and educators looking for a structured yet engaging project. It bridges the gap between theory and practice, helping you understand superheterodyne receiver design, PLL tuning, and digital display interfacing — all in one self-contained project.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this PLL radio receiver kit come pre-assembled or do I need to solder it myself?\u003c\/h4\u003e\n\u003cp\u003eA: The kit ships as a \u003cstrong\u003eloose component set (unassembled)\u003c\/strong\u003e. You will need to solder all components onto the PCB yourself. This makes it an excellent hands-on learning project for practicing soldering, circuit assembly, and debugging skills.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What frequency bands does this multi-band receiver kit cover?\u003c\/h4\u003e\n\u003cp\u003eA: This PLL receiver kit covers two bands: the standard \u003cstrong\u003eFM broadcast band (88–108 MHz)\u003c\/strong\u003e and the \u003cstrong\u003eVHF aviation AM band (118–136 MHz)\u003c\/strong\u003e, giving you experience with two different modulation schemes and frequency ranges in one project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply do I need to operate this radio receiver kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit operates on a \u003cstrong\u003eDC 12V power supply\u003c\/strong\u003e. A standard regulated 12V DC adapter with sufficient current rating for the circuit is recommended. The power supply is not included in the kit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this kit suitable for beginners in electronics?\u003c\/h4\u003e\n\u003cp\u003eA: It is best suited for \u003cstrong\u003eintermediate electronics enthusiasts\u003c\/strong\u003e or students who have some familiarity with soldering and basic circuit concepts. Beginners with guided supervision or access to tutorials on superheterodyne receiver circuits will also find it a rewarding learning experience.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this PLL radio receiver kit come pre-assembled or do I need to solder it myself?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit ships as a loose component set (unassembled). You will need to solder all components onto the PCB yourself. This makes it an excellent hands-on learning project for practicing soldering, circuit assembly, and debugging skills.\"}}, {\"@type\": \"Question\", \"name\": \"What frequency bands does this multi-band receiver kit cover?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This PLL receiver kit covers two bands: the standard FM broadcast band (88–108 MHz) and the VHF aviation AM band (118–136 MHz), giving you experience with two different modulation schemes and frequency ranges in one project.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply do I need to operate this radio receiver kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit operates on a DC 12V power supply. A standard regulated 12V DC adapter with sufficient current rating for the circuit is recommended. The power supply is not included in the kit.\"}}, {\"@type\": \"Question\", \"name\": \"Is this kit suitable for beginners in electronics?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is best suited for intermediate electronics enthusiasts or students who have some familiarity with soldering and basic circuit concepts. Beginners with guided supervision or access to tutorials on superheterodyne receiver circuits will also find it a rewarding learning experience.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PLL Multi-Band Radio Receiver DIY Kit – FM \u0026 VHF 88–136MHz\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/pll-multi-band-radio-receiver-kit-fm-vhf-diy-electronics\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447674216512,"sku":"200007763:201336100","price":217.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Seb4ce31ad8e244d1989d366ef02df351h_57d0a7c5-cf16-4770-a708-8d68cb48b4de.webp?v=1792559840"},{"product_id":"lm1875-2-channel-20w-stereo-amplifier-board-bass-treble-controls","title":"LM1875 2×20W Stereo Amplifier Board – Bass \u0026 Treble Controls","description":"\n\u003ch2\u003eLM1875 2.0 Channel 2×20W Stereo Amplifier Board with Bass \u0026amp; Treble Controls\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio setup with this LM1875-based 2.0 stereo power amplifier board. Delivering a robust 2×20W output, it features onboard bass and high-frequency (treble) tone controls, making it ideal for home theater systems, bookshelf speakers, and custom audio projects. Whether you're a seasoned electronics hobbyist or just starting out, this board's straightforward design makes installation a breeze.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful Stereo Output:\u003c\/strong\u003e 2×20W (per channel) via the LM1875 chip for a rich, full-bodied sound experience — great for both music and movies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass AB Operation:\u003c\/strong\u003e Minimizes distortion for crystal-clear audio reproduction with fine detail and dynamic range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Tone Controls:\u003c\/strong\u003e Independent bass and high-frequency (treble) knobs let you fine-tune your sound signature to your exact preference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Standard M3 screw holes, clearly labeled connectors, and a compact 8.7×7.7×4.7 cm footprint make mounting and wiring simple.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Supports 4Ω and 8Ω speaker impedances; compatible with a wide range of passive speakers and enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable \u0026amp; Durable:\u003c\/strong\u003e Metal construction with a robust PCB layout ensures consistent, long-term performance in any listening environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eLM1875 2.0-Channel Power Amplifier Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eChip Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e2 × 20W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eClass AB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4Ω \/ 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eDual power transformer 12V–15V (max 15V recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e8.7 × 7.7 × 4.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e128g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eKnob Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e25.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eScrew Hole Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eStandard M3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× LM1875 2.0 Channel Amplifier Board with Bass \u0026amp; Treble Controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e — perfect for adding a clean on\/off control to your amp build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e — great for DIY electronics and power supply projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e — another handy module for electronics hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does the LM1875 amplifier board require?\u003c\/h4\u003e\n\u003cp\u003eA: The LM1875 amp board requires a dual power supply transformer rated between 12V and 15V. It is strongly recommended not to exceed 15V to protect the LM1875 chip and maintain optimal, stable audio performance.\u003c\/p\u003e\n\u003ch4\u003eQ: What speaker impedances are compatible with this amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: This amplifier board supports both 4Ω and 8Ω speaker impedances, giving you broad compatibility with most standard passive bookshelf, home theater, and DIY speaker builds.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this board suitable for a beginner DIY audio project?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The LM1875 2.0 channel amplifier board features a user-friendly layout with clearly labeled terminals, standard M3 mounting holes, and onboard tone controls, making it accessible for hobbyists of all experience levels who want to build or upgrade a home audio or theater system.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this board to modify or upgrade existing speakers?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The board is designed for versatile use — you can integrate it into new speaker enclosures or use it to upgrade existing passive speaker setups, giving you full control over bass and treble to match your listening environment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does the LM1875 amplifier board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM1875 amp board requires a dual power supply transformer rated between 12V and 15V. It is strongly recommended not to exceed 15V to protect the LM1875 chip and maintain optimal, stable audio performance.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedances are compatible with this amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This amplifier board supports both 4Ω and 8Ω speaker impedances, giving you broad compatibility with most standard passive bookshelf, home theater, and DIY speaker builds.\"}}, {\"@type\": \"Question\", \"name\": \"Is this board suitable for a beginner DIY audio project?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The LM1875 2.0 channel amplifier board features a user-friendly layout with clearly labeled terminals, standard M3 mounting holes, and onboard tone controls, making it accessible for hobbyists of all experience levels who want to build or upgrade a home audio or theater system.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this board to modify or upgrade existing speakers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The board is designed for versatile use — you can integrate it into new speaker enclosures or use it to upgrade existing passive speaker setups, giving you full control over bass and treble to match your listening environment.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LM1875 2×20W Stereo Amplifier Board – Bass \u0026 Treble Controls\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/lm1875-2-channel-20w-stereo-amplifier-board-bass-treble-controls\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447695548480,"sku":"200007763:201336100","price":70.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S1a191e52ae8446468b6a51b06624e369H.webp?v=1792561933"},{"product_id":"2-way-3-way-speaker-crossover-pcb-board-diy-audio-splitter","title":"2-Way 3-Way Speaker Crossover PCB Board | DIY Audio Splitter","description":"\n\u003ch2\u003e2-Way \/ 3-Way Speaker Frequency Crossover PCB Board for DIY Audio Projects\u003c\/h2\u003e\n\u003cp\u003eBuild your perfect speaker system with this versatile fiberglass PCB crossover board. Whether you're crafting a two-way or three-way speaker setup, this frequency divider board delivers a clean, organized platform for hobbyists and audio engineers alike. Designed for professional stage audio DIY, it features a robust fiberglass substrate, well-spaced solder pads, and clearly marked input\/output points — making assembly straightforward even for intermediate builders.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-Way \u0026amp; 3-Way Crossover Design:\u003c\/strong\u003e Ideal for splitting audio frequencies across woofers, mid-range drivers, and tweeters in custom speaker builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiberglass PCB Substrate:\u003c\/strong\u003e High-stability construction that withstands heat and mechanical stress during soldering and extended use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganized Component Layout:\u003c\/strong\u003e Logical, easy-to-follow component placement simplifies soldering and cable routing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFour Corner Mounting Holes:\u003c\/strong\u003e Secure installation into speaker enclosures or project boxes with minimal fuss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmple Solder Pads:\u003c\/strong\u003e Flexible pad layout allows you to fine-tune crossover frequency parameters to match your driver specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Input\/Output Labels:\u003c\/strong\u003e Printed markings on the board help you identify signal paths at a glance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Way \/ 3-Way Frequency Divider\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Corner Mounting Holes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIY Speaker \/ Stage Audio Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Speaker Frequency Divider PCB Board (2-Way or 3-Way)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eThis crossover board is a great addition to any serious DIY audio project — from home hi-fi builds to professional stage setups. Pair it with your preferred capacitors, inductors, and resistors to dial in the exact crossover frequency your build demands.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more DIY electrical components? Check out our \u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e, our \u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e, or our \u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e for your next electronics project.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The actual color of the board may vary slightly from photos due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between a 2-way and 3-way speaker crossover PCB board?\u003c\/h4\u003e\n\u003cp\u003eA: A 2-way crossover PCB splits the audio signal into two frequency bands — typically low (woofer) and high (tweeter). A 3-way crossover PCB divides the signal into three bands — low, mid, and high — allowing separate drivers to handle each range. This board supports both configurations, giving you flexibility in your DIY speaker design.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to add my own components (capacitors, inductors, resistors)?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a bare PCB board designed as the foundation for your crossover build. You will need to source and solder your own crossover components — capacitors, inductors, and resistors — based on your desired crossover frequency points and driver specifications. The ample solder pads make it easy to adjust component values.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this crossover board suitable for professional stage audio systems?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The fiberglass PCB substrate provides high thermal stability and durability, making it a reliable choice for both home hi-fi DIY projects and more demanding professional stage audio builds. The four corner mounting holes ensure secure installation in speaker enclosures or racks.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between a 2-way and 3-way speaker crossover PCB board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 2-way crossover PCB splits the audio signal into two frequency bands — typically low (woofer) and high (tweeter). A 3-way crossover PCB divides the signal into three bands — low, mid, and high — allowing separate drivers to handle each range. This board supports both configurations, giving you flexibility in your DIY speaker design.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to add my own components (capacitors, inductors, resistors)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This is a bare PCB board designed as the foundation for your crossover build. You will need to source and solder your own crossover components — capacitors, inductors, and resistors — based on your desired crossover frequency points and driver specifications. The ample solder pads make it easy to adjust component values.\"}}, {\"@type\": \"Question\", \"name\": \"Is this crossover board suitable for professional stage audio systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The fiberglass PCB substrate provides high thermal stability and durability, making it a reliable choice for both home hi-fi DIY projects and more demanding professional stage audio builds. The four corner mounting holes ensure secure installation in speaker enclosures or racks.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2-Way 3-Way Speaker Crossover PCB Board | DIY Audio Splitter\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/2-way-3-way-speaker-crossover-pcb-board-diy-audio-splitter\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"BY-003 \/ China Mainland","offer_id":41447696662592,"sku":"14:350850#BY-003;200007763:201336100","price":52.12,"currency_code":"USD","in_stock":true},{"title":"BY-002 \/ China Mainland","offer_id":41447696695360,"sku":"14:365458#BY-002;200007763:201336100","price":46.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Se809e34c85684ba2b475047d271bb687j.webp?v=1792561945"},{"product_id":"digital-audio-noise-reducer-dsp-nr-low-pass-filter-hf-shortwave-radio","title":"Digital Audio Noise Reducer – DSP NR \u0026 Low-Pass Filter for HF Radio","description":"\n\u003ch2\u003eCleaner Audio for HF \u0026amp; Shortwave Radios — No Built-In DSP Required\u003c\/h2\u003e\n\u003cp\u003eUpgrade your shortwave or HF radio listening experience with this \u003cstrong\u003eDigital Audio Noise Reducer\u003c\/strong\u003e. Designed specifically for radios that lack built-in DSP (Digital Signal Processing), this compact metal unit processes your audio signal in real time using advanced \u003cstrong\u003eDigital Noise Reduction (NR)\u003c\/strong\u003e and a \u003cstrong\u003eDigital Low-Pass Filter (LPF)\u003c\/strong\u003e — delivering noticeably cleaner, clearer audio for your QSO contacts and casual listening sessions.\u003c\/p\u003e\n\n\u003cp\u003eWith 10 adjustable noise reduction levels and 10 selectable low-pass filter cutoff frequencies, you have full control over how your audio sounds. A bright 0.96-inch TFT display keeps your settings visible at a glance. Powered via USB-C (5V) or a wide-range DC input (6–15V), it fits seamlessly into any shack setup.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Noise Reduction (NR):\u003c\/strong\u003e 10 adjustable levels (0–9) to fine-tune background noise suppression\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Low-Pass Filter (LPF):\u003c\/strong\u003e 10 selectable cutoff frequencies — Full, 6kHz, 3.5kHz, 2.4kHz, 2kHz, 1.8kHz, 1kHz, 700Hz, 500Hz, 200Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Speaker:\u003c\/strong\u003e Up to 3W output so you can listen directly without external speakers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Input:\u003c\/strong\u003e USB-C 5V or 6–15V DC for versatile shack or portable use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.96\" TFT Display:\u003c\/strong\u003e Clearly shows current NR and LPF settings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Metal Enclosure:\u003c\/strong\u003e Durable black metal housing — 88mm (W) × 38mm (H) × 100mm (L)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.5mm Audio Input:\u003c\/strong\u003e Compatible with virtually all HF and shortwave radio audio outputs (max 5Vp-p signal input)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Max 4W — efficient for extended operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMetal (Black)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e88mm (W) × 38mm (H) × 100mm (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eUSB-C 5V or 6–15V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMax Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBuilt-In Speaker Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMax 3W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSignal Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e3.5mm audio jack (Max 5Vp-p)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eNoise Reduction Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e10 levels (0–9)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLow-Pass Filter Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e10 levels (Full, 6kHz, 3.5kHz, 2.4kHz, 2kHz, 1.8kHz, 1kHz, 700Hz, 500Hz, 200Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0.96-inch TFT screen\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Digital Audio Noise Reducer Unit\u003c\/li\u003e\n  \u003cli\u003e1 × USB-C Cable\u003c\/li\u003e\n  \u003cli\u003e1 × Signal Input Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of radios is this Digital Audio Noise Reducer compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This noise reducer is designed for HF and shortwave radios that do not have built-in DSP capabilities. Any radio with a 3.5mm audio output jack (up to 5Vp-p signal level) can be connected. It is ideal for amateur (ham) radio operators, shortwave enthusiasts, and anyone looking to improve audio clarity on legacy or entry-level HF equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I power this unit from a standard USB charger?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The device supports both USB-C 5V input and a wider DC range of 6–15V, so it can be powered from a USB phone charger, a dedicated bench power supply, or your radio station's DC power rail — making it very flexible for both home shack and portable field use.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the noise reduction and low-pass filter settings?\u003c\/h4\u003e\n\u003cp\u003eA: Both the NR (Noise Reduction) and LPF (Low-Pass Filter) settings are independently adjustable, each offering 10 levels. Current settings are shown on the built-in 0.96-inch TFT display. You can dial in the exact combination that works best for the band conditions and signal type you are working with.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the unit include a built-in speaker, or do I need to connect external speakers?\u003c\/h4\u003e\n\u003cp\u003eA: The Digital Audio Noise Reducer includes a built-in speaker with up to 3W output, so you can use it stand-alone without connecting external speakers — though an external speaker or headphones can also be connected if preferred.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of radios is this Digital Audio Noise Reducer compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This noise reducer is designed for HF and shortwave radios that do not have built-in DSP capabilities. Any radio with a 3.5mm audio output jack (up to 5Vp-p signal level) can be connected. It is ideal for amateur (ham) radio operators, shortwave enthusiasts, and anyone looking to improve audio clarity on legacy or entry-level HF equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Can I power this unit from a standard USB charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The device supports both USB-C 5V input and a wider DC range of 6–15V, so it can be powered from a USB phone charger, a dedicated bench power supply, or your radio station's DC power rail — making it very flexible for both home shack and portable field use.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the noise reduction and low-pass filter settings?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both the NR (Noise Reduction) and LPF (Low-Pass Filter) settings are independently adjustable, each offering 10 levels. Current settings are shown on the built-in 0.96-inch TFT display. You can dial in the exact combination that works best for the band conditions and signal type you are working with.\"}}, {\"@type\": \"Question\", \"name\": \"Does the unit include a built-in speaker, or do I need to connect external speakers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Digital Audio Noise Reducer includes a built-in speaker with up to 3W output, so you can use it stand-alone without connecting external speakers — though an external speaker or headphones can also be connected if preferred.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Digital Audio Noise Reducer – DSP NR \u0026 Low-Pass Filter for HF Radio\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/digital-audio-noise-reducer-dsp-nr-low-pass-filter-hf-shortwave-radio\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447697907776,"sku":"200007763:201336100","price":621.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S17cb52a2f416435898da478264a9039fw.webp?v=1792561977"},{"product_id":"ac-12v-vu-meter-driver-board-stereo-audio-level-meter-pcb","title":"AC 12V VU Meter Driver Board – Stereo Audio Level Meter PCB","description":"\u003ch2\u003eAC 12V Stereo VU Meter Driver Board – Double-Sided PCB for Audio Level Meters\u003c\/h2\u003e\n\u003cp\u003eTake your audio builds to the next level with this professional-grade \u003cstrong\u003eAC 12V VU Meter Driver Board\u003c\/strong\u003e. Designed for stereo audio setups, this compact double-sided PCB delivers clean, stable needle movement for DB audio level meters — perfect for DIY amplifiers, hi-fi systems, home audio racks, and custom audio enclosures.\u003c\/p\u003e\n\n\u003cp\u003eBuilt around a dedicated professional audio driver IC with dynamic compression circuitry, this board eliminates common problems like needle flutter, self-excitation, and signal interference — giving you smooth, accurate audio level readings every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero Interference:\u003c\/strong\u003e No self-excitation, clean signal response for precise needle movement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Audio Driver IC:\u003c\/strong\u003e Integrated dynamic compression circuitry keeps needle deflection proportional and readable across varying signal levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMute Protection:\u003c\/strong\u003e Built-in mute function prevents needle overload during signal spikes, ensuring smooth and reliable operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC 12V Powered:\u003c\/strong\u003e Simple, widely available power supply voltage makes this easy to integrate into existing audio builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-Sided PCB:\u003c\/strong\u003e Robust double-sided circuit board construction ensures secure wiring connections and strong, lasting solder joints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small 55 × 66 mm footprint fits easily into tight enclosures and custom panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStereo Volume Meter Driver Board\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (Double-Sided)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 × 66 mm (2.17 × 2.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hole Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 × 56 mm (1.97 × 2.2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Stereo VU Meter Driver Board (AC 12V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePair It With Your DIY Audio Projects\u003c\/h3\u003e\n\u003cp\u003eBuilding a complete audio or electronics project? Check out these related components from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e – reliable inline switching for your audio power wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e – versatile sensing components for multi-function DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e – clean, secure connectors for your PCB wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual board color may vary slightly from product images due to monitor display settings. Please allow a ±1–2 mm tolerance in stated measurements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply does this VU meter driver board require?\u003c\/h4\u003e\n\u003cp\u003eA: This stereo VU meter driver board is rated for \u003cstrong\u003eAC 12V\u003c\/strong\u003e. It must be powered by an AC 12V supply — not DC. Using an AC 12V transformer or wall adapter with the correct output is required for proper operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this board compatible with any VU meter panel?\u003c\/h4\u003e\n\u003cp\u003eA: This driver board is designed to work with standard stereo VU meter panels (analog needle-type audio level meters). It outputs the correct drive signal for most common DB\/VU analog meter movements. Always verify your meter panel's input requirements before connecting.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the mute function do on this driver board?\u003c\/h4\u003e\n\u003cp\u003eA: The integrated mute function in the audio driver IC automatically manages needle overload during sudden loud signal peaks. This protects the meter needle mechanism from over-deflection and ensures consistently smooth, accurate level reading.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this board be used in a DIY amplifier or hi-fi enclosure?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this is an ideal component for DIY amplifier builds, home audio systems, and custom hi-fi enclosures. The compact 55 × 66 mm double-sided PCB is easy to mount with standard 3 mm hardware and fits into most audio panel designs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply does this VU meter driver board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This stereo VU meter driver board is rated for AC 12V. It must be powered by an AC 12V supply — not DC. Using an AC 12V transformer or wall adapter with the correct output is required for proper operation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this board compatible with any VU meter panel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This driver board is designed to work with standard stereo VU meter panels (analog needle-type audio level meters). It outputs the correct drive signal for most common DB\/VU analog meter movements. Always verify your meter panel's input requirements before connecting.\"}}, {\"@type\": \"Question\", \"name\": \"What does the mute function do on this driver board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The integrated mute function in the audio driver IC automatically manages needle overload during sudden loud signal peaks. This protects the meter needle mechanism from over-deflection and ensures consistently smooth, accurate level reading.\"}}, {\"@type\": \"Question\", \"name\": \"Can this board be used in a DIY amplifier or hi-fi enclosure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this is an ideal component for DIY amplifier builds, home audio systems, and custom hi-fi enclosures. The compact 55 × 66 mm double-sided PCB is easy to mount with standard 3 mm hardware and fits into most audio panel designs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AC 12V VU Meter Driver Board – Stereo Audio Level Meter PCB\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/ac-12v-vu-meter-driver-board-stereo-audio-level-meter-pcb\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447700758592,"sku":"200007763:201336100","price":64.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S980faddf7b3b40938d272736b3199a86D_aa66b42c-3ba6-4f9e-8cac-8848befef3d9.webp?v=1792562084"},{"product_id":"atn95e-elliptical-stylus-replacement-needle-at95e-at-lp120-usb-at3450-cartridge","title":"ATN95E Elliptical Stylus Replacement Needle for AT95E Cartridge","description":"\n\u003ch2\u003eATN95E Elliptical Stylus Replacement Needle for AT95E, AT-LP120-USB \u0026amp; AT3450 Cartridges\u003c\/h2\u003e\n\u003cp\u003eBring your vinyl collection back to life with the ATN95E Replacement Stylus — a precision-engineered elliptical needle designed as a direct drop-in replacement for Audio-Technica AT95E cartridges and a wide range of compatible turntable models. Whether your original needle is worn or damaged, this high-performance stylus restores clear, dynamic sound without the need for tools or professional installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the ATN95E Replacement Stylus?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed for seamless use with the AT95E cartridge and compatible with models including AT 93, AT 95, AT 3400, AT 3400C, AT 3401, AT 3410, AT 3412, AT 3450, and the AT-LP120-USB turntable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Elliptical Tip:\u003c\/strong\u003e Features an elliptical stylus tip imported from Japan, mounted on an aluminum shank, allowing for deeper groove tracking, improved stereo separation, and richer frequency response across all record speeds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Audio Clarity:\u003c\/strong\u003e The elliptical profile makes more contact with the record groove walls than a standard spherical tip, delivering fuller, more immersive sound from every spin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e Simply snap the old stylus off and click the new one in — no special equipment required. Perfect for vinyl enthusiasts of all experience levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtective Packaging:\u003c\/strong\u003e Each needle is secured in sponge padding inside a sturdy acrylic box, ensuring it arrives undamaged and ready for immediate use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart:\u003c\/strong\u003e Replacement Stylus (ATN95E)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Type:\u003c\/strong\u003e Elliptical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e ABS Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15 × 12 × 10 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e AT 93, AT 95, AT 3400, AT 3400C, AT 3401, AT 3410, AT 3412, AT 3450, AT-LP120-USB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ATN95E Replacement Stylus Needle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eA Note on Color \u0026amp; Measurements\u003c\/h3\u003e\n\u003cp\u003eActual color may vary slightly from images depending on your monitor's brightness and settings. Please allow minor measurement tolerances of ±1 mm.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/aluminum-leather-edge-burnishing-polishing-tool-diy-craft\"\u003eAluminum Leather Edge Burnishing \u0026amp; Polishing Tool – DIY Craft\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/rotary-hidden-furniture-hinge-folding-door-hardware-pair\"\u003eRotary Hidden Furniture Hinge Folding Door Hardware 1 Pair\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the ATN95E stylus compatible with the AT-LP120-USB turntable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ATN95E replacement stylus is designed to work directly with the AT95E cartridge, which is the stock cartridge on the AT-LP120-USB turntable. It also fits a wide range of other AT cartridges including the AT 93, AT 3400, AT 3450, and more.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any tools to install the ATN95E replacement needle?\u003c\/h4\u003e\n\u003cp\u003eA: No tools are needed. The stylus simply snaps off the cartridge body and the replacement snaps back on in seconds. It's designed for easy, user-friendly installation for beginners and experienced vinyl listeners alike.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the advantage of an elliptical stylus tip over a spherical one?\u003c\/h4\u003e\n\u003cp\u003eA: An elliptical stylus tip has a narrower profile that makes contact with more of the record groove wall compared to a standard spherical tip. This results in better stereo channel separation, improved high-frequency response, and more accurate playback of your vinyl records.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the stylus packaged to prevent damage during shipping?\u003c\/h4\u003e\n\u003cp\u003eA: Each ATN95E stylus is carefully secured with protective sponge material and housed in a rigid acrylic box to ensure it arrives in perfect condition and is ready for immediate installation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the ATN95E stylus compatible with the AT-LP120-USB turntable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The ATN95E replacement stylus is designed to work directly with the AT95E cartridge, which is the stock cartridge on the AT-LP120-USB turntable. It also fits a wide range of other AT cartridges including the AT 93, AT 3400, AT 3450, and more.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any tools to install the ATN95E replacement needle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools are needed. The stylus simply snaps off the cartridge body and the replacement snaps back on in seconds. It's designed for easy, user-friendly installation for beginners and experienced vinyl listeners alike.\"}}, {\"@type\": \"Question\", \"name\": \"What is the advantage of an elliptical stylus tip over a spherical one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An elliptical stylus tip has a narrower profile that makes contact with more of the record groove wall compared to a standard spherical tip. This results in better stereo channel separation, improved high-frequency response, and more accurate playback of your vinyl records.\"}}, {\"@type\": \"Question\", \"name\": \"How is the stylus packaged to prevent damage during shipping?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each ATN95E stylus is carefully secured with protective sponge material and housed in a rigid acrylic box to ensure it arrives in perfect condition and is ready for immediate installation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ATN95E Elliptical Stylus Replacement Needle for AT95E Cartridge\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/atn95e-elliptical-stylus-replacement-needle-at95e-at-lp120-usb-at3450-cartridge\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447700955200,"sku":"200007763:201336100","price":95.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S91ecb476abb44ae091c24d940abaa0baS.webp?v=1792562086"},{"product_id":"atn95e-elliptical-replacement-stylus-at95e-turntable-cartridge","title":"ATN95E Elliptical Replacement Stylus for AT95E Cartridge","description":"\n\u003ch2\u003eATN95E Elliptical Replacement Stylus — Bring Your Vinyl Back to Life\u003c\/h2\u003e\n\u003cp\u003eRediscover every detail in your record collection with this precision-engineered ATN95E replacement stylus. Designed as a drop-in replacement for the Audio-Technica AT95E cartridge, this elliptical stylus tip digs deeper into vinyl grooves, capturing more musical nuance and delivering a fuller, more immersive listening experience — all at a fraction of the cost of an entirely new cartridge.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e with an elliptical stylus tip imported from Japan.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade or Replace Your Stylus?\u003c\/h3\u003e\n\u003cp\u003eA worn or damaged stylus is the number one cause of degraded audio quality on a turntable. Swapping it out is the quickest, most affordable way to restore your vinyl playback to its full sonic potential — no cartridge replacement required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed specifically for the AT95E cartridge and also compatible with AT93, AT3400, and AT3450 phono cartridges — a versatile choice for vinyl enthusiasts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision-Crafted Tip:\u003c\/strong\u003e Aluminum shank paired with a Japanese-imported elliptical stylus tip for long-lasting fidelity and performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Audio Detail:\u003c\/strong\u003e The elliptical profile tracks deeper into record grooves, extracting more high-frequency detail for a richer, more dynamic sound.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e Simply snap it in — no tools required. Accessible for audiophile veterans and vinyl newcomers alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtected Packaging:\u003c\/strong\u003e Arrives in a solid acrylic box with sponge cushioning to ensure it reaches you in perfect condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord Needle Replacement Stylus\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStylus Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElliptical\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS body with aluminum shank\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTip Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImported from Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 × 12 × 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cartridges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAT95E, AT93, AT3400, AT3450\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ATN95E Replacement Stylus\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eActual color may vary slightly from images due to monitor settings and lighting conditions. Please allow minor measurement deviations of ±1 mm.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/aluminum-leather-edge-burnishing-polishing-tool-diy-craft\"\u003eAluminum Leather Edge Burnishing \u0026amp; Polishing Tool – DIY Craft\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the ATN95E replacement stylus compatible with the Audio-Technica AT-LP120-USB turntable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The ATN95E replacement stylus is designed for the AT95E cartridge, which is the factory-installed cartridge on the Audio-Technica AT-LP120-USB turntable. It snaps directly into place with no tools needed, making it a seamless upgrade or replacement.\u003c\/p\u003e\n\u003ch4\u003eQ: What makes an elliptical stylus tip better than a spherical (conical) tip?\u003c\/h4\u003e\n\u003cp\u003eA: An elliptical stylus tip has two different radii — a smaller front-to-back radius that allows it to track deeper into the groove walls, retrieving more high-frequency detail and producing a wider, more accurate stereo soundstage compared to a standard conical tip.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know when it's time to replace my turntable stylus?\u003c\/h4\u003e\n\u003cp\u003eA: Common signs include distorted or muffled audio on high-frequency passages, audible sibilance on vocals, visible wear on the tip under a magnifying glass, or if the stylus has logged over 500–1,000 hours of playback. Replacing it promptly also helps protect your vinyl records from unnecessary groove wear.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the ATN95E replacement stylus compatible with the Audio-Technica AT-LP120-USB turntable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The ATN95E replacement stylus is designed for the AT95E cartridge, which is the factory-installed cartridge on the Audio-Technica AT-LP120-USB turntable. It snaps directly into place with no tools needed, making it a seamless upgrade or replacement.\"}}, {\"@type\": \"Question\", \"name\": \"What makes an elliptical stylus tip better than a spherical (conical) tip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An elliptical stylus tip has two different radii — a smaller front-to-back radius that allows it to track deeper into the groove walls, retrieving more high-frequency detail and producing a wider, more accurate stereo soundstage compared to a standard conical tip.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know when it's time to replace my turntable stylus?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Common signs include distorted or muffled audio on high-frequency passages, audible sibilance on vocals, visible wear on the tip under a magnifying glass, or if the stylus has logged over 500–1,000 hours of playback. Replacing it promptly also helps protect your vinyl records from unnecessary groove wear.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ATN95E Elliptical Replacement Stylus for AT95E Cartridge\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/atn95e-elliptical-replacement-stylus-at95e-turntable-cartridge\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Red \/ China Mainland","offer_id":41447709868096,"sku":"14:10#Red;200007763:201336100","price":64.34,"currency_code":"USD","in_stock":true},{"title":"Green \/ China Mainland","offer_id":41447709900864,"sku":"14:200026864#Green;200007763:201336100","price":64.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S535c88f922354fd68d8194eade0a98abC_93080243-b0e4-4925-818d-da05fc8fa9e0.webp?v=1792562338"},{"product_id":"3-pack-30w-lm1875-audio-amplifier-board-diy-single-channel","title":"3-Pack 30W LM1875 Audio Amplifier Board – DIY Single Channel","description":"\n\u003ch2\u003e3-Pack 30W LM1875 Audio Amplifier Board for DIY \u0026amp; Smart Home Projects\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio builds with this set of three high-performance \u003cstrong\u003e30W LM1875 Audio Amplifier Boards\u003c\/strong\u003e. Built around the trusted LM1875 IC chip, each compact PCB delivers stable, clear single-channel audio amplification — perfect for custom speakers, smart home audio setups, electronics projects, and more. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30W Maximum Output Power:\u003c\/strong\u003e Delivers strong, clear audio output up to 30W per board for impactful sound reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine LM1875 Chip:\u003c\/strong\u003e Built with the reliable LM1875 audio IC for stable, consistent amplification performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Accepts DC 12V–32V supply voltage, offering flexible compatibility with a variety of power sources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle Channel Output:\u003c\/strong\u003e Focused mono audio output ideal for custom speaker enclosures, DIY audio systems, and home automation audio nodes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact PCB:\u003c\/strong\u003e Measures just 50mm × 25mm and weighs approximately 12.3g — fits easily into tight enclosures and custom builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 3:\u003c\/strong\u003e Get three identical boards in one purchase — great value for multi-room or multi-speaker projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM1875\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 32V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle Channel (Mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm × 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~12.3g per board\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3 × LM1875 30W Audio Amplifier Boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat for These Projects\u003c\/h3\u003e\n\u003cp\u003eWhether you're wiring up a smart home audio zone, building a custom bookshelf speaker, or prototyping an electronics project, these boards are a versatile and cost-effective choice. Pair them with a suitable DC power supply and a speaker to get up and running quickly.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e – ideal for smart home sensing projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e – handy for DIY power control builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e – for DIY battery-powered audio projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Monitor color settings may cause slight variations in appearance from product images. Please allow minor tolerances in stated measurements.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage should I use to power the LM1875 audio amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: Each board accepts a DC input voltage between 12V and 32V. For most DIY home audio applications, a 12V–24V regulated DC power supply is a reliable choice. Make sure your power supply can handle the current demands of up to 30W output.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use all three boards together to build a multi-channel or stereo system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Since each board provides a single mono channel output, you can use two boards together to create a stereo setup, and use the third as a spare or for a third audio zone in a smart home system.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is any soldering or assembly required?\u003c\/h4\u003e\n\u003cp\u003eA: These boards come as assembled PCBs with the LM1875 chip already mounted. However, you will need to connect your own input signal, power supply, and speaker output via the board's terminals, which typically requires basic soldering skills and familiarity with DIY electronics.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speaker impedance is compatible with this amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The LM1875 chip is typically designed to work with speakers in the 4Ω–8Ω impedance range. Always match your speaker's impedance rating with the board's recommended specifications for best performance and reliability.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage should I use to power the LM1875 audio amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each board accepts a DC input voltage between 12V and 32V. For most DIY home audio applications, a 12V–24V regulated DC power supply is a reliable choice. Make sure your power supply can handle the current demands of up to 30W output.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use all three boards together to build a multi-channel or stereo system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! Since each board provides a single mono channel output, you can use two boards together to create a stereo setup, and use the third as a spare or for a third audio zone in a smart home system.\"}}, {\"@type\": \"Question\", \"name\": \"Is any soldering or assembly required?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These boards come as assembled PCBs with the LM1875 chip already mounted. However, you will need to connect your own input signal, power supply, and speaker output via the board's terminals, which typically requires basic soldering skills and familiarity with DIY electronics.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedance is compatible with this amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM1875 chip is typically designed to work with speakers in the 4Ω–8Ω impedance range. Always match your speaker's impedance rating with the board's recommended specifications for best performance and reliability.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3-Pack 30W LM1875 Audio Amplifier Board – DIY Single Channel\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/3-pack-30w-lm1875-audio-amplifier-board-diy-single-channel\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447709966400,"sku":"200007763:201336100","price":12.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S545bac10435a4359aa9ce23797af851az.webp?v=1792562339"},{"product_id":"tpa3118d2-dual-50w-class-d-stereo-amplifier-board-xh-a415","title":"TPA3118D2 Dual 50W Class D Stereo Amplifier Board XH-A415","description":"\n\u003ch2\u003eXH-A415 TPA3118D2 Dual 50W Class D Stereo Amplifier Board\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio setup with the \u003cstrong\u003eXH-A415 TPA3118D2 High-Power Stereo Amplifier Board\u003c\/strong\u003e. Powered by the renowned TPA3118D2 chip, this compact Class D amplifier module delivers up to \u003cstrong\u003e50W per channel\u003c\/strong\u003e (dual channel, 100W total) with outstanding efficiency — making it the ideal choice for driving medium to high-power speakers in home audio, workshop sound systems, and custom audio builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Class D Design:\u003c\/strong\u003e Maximizes output power while minimizing energy consumption and heat generation — no bulky heatsink required for most applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Stereo Output:\u003c\/strong\u003e Delivers up to 50W per channel (at 24V supply) for rich, full stereo sound. At 12V, outputs a clean 25W per channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range (12V–24V):\u003c\/strong\u003e Compatible with a broad range of DC power supplies, offering flexibility for bench builds, car audio, and portable systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protection Circuits:\u003c\/strong\u003e Integrated overvoltage, overcurrent, overheat, and short-circuit protection safeguard your speakers and the board itself — no external protection circuits needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Volume Knob:\u003c\/strong\u003e Simple rotary knob control — turn clockwise to increase volume, counterclockwise to decrease or power off the board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Sturdy Build:\u003c\/strong\u003e Black plastic and metal construction in a space-saving 80 × 50 × 15 mm footprint — easy to integrate into enclosures or DIY speaker cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXH-A415 (TPA3118D2)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic, Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 × 50 × 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50W × 2 @ 24V | 25W × 2 @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V – 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass D (Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × XH-A415 TPA3118D2 Digital Stereo Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY home audio and speaker cabinet builds\u003c\/li\u003e\n  \u003cli\u003eWorkshop, garage, or outdoor speaker systems\u003c\/li\u003e\n  \u003cli\u003eCustom car audio and marine audio projects\u003c\/li\u003e\n  \u003cli\u003eElectronics enthusiasts and makers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e — ideal for battery pack builds in DIY audio power systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e — another versatile electronics module for DIY projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e — reliable connectors for clean wiring in amplifier builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and ambient lighting. Please allow ±1–2 mm tolerance in listed dimensions due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply voltage does the XH-A415 TPA3118D2 amplifier board require?\u003c\/h4\u003e\n\u003cp\u003eA: The XH-A415 amplifier board supports a wide DC input voltage range of \u003cstrong\u003e12V to 24V\u003c\/strong\u003e. At 24V, each channel delivers up to 50W. At 12V, each channel outputs approximately 25W. Always use a stable, regulated DC power supply rated for the required current.\u003c\/p\u003e\n\u003ch4\u003eQ: What speaker impedance is compatible with this amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3118D2 chip is designed to work with \u003cstrong\u003e4Ω to 8Ω speakers\u003c\/strong\u003e. For best performance and to avoid triggering the overcurrent protection, use speakers within this impedance range and ensure your power supply can deliver sufficient current.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the XH-A415 board require an external heatsink?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to its high-efficiency Class D design, the board generates minimal heat during normal operation. However, for prolonged high-volume use or in enclosed enclosures, attaching a small heatsink or providing some ventilation is recommended to maintain long-term reliability.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this amplifier board suitable for car audio installations?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the 12V–24V operating range makes the XH-A415 a great fit for \u003cstrong\u003ecar, marine, or RV audio builds\u003c\/strong\u003e. Simply connect it to a regulated 12V or 24V supply from your vehicle's electrical system and wire in your speakers.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply voltage does the XH-A415 TPA3118D2 amplifier board require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XH-A415 amplifier board supports a wide DC input voltage range of 12V to 24V. At 24V, each channel delivers up to 50W. At 12V, each channel outputs approximately 25W. Always use a stable, regulated DC power supply rated for the required current.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedance is compatible with this amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TPA3118D2 chip is designed to work with 4Ω to 8Ω speakers. For best performance and to avoid triggering the overcurrent protection, use speakers within this impedance range and ensure your power supply can deliver sufficient current.\"}}, {\"@type\": \"Question\", \"name\": \"Does the XH-A415 board require an external heatsink?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Thanks to its high-efficiency Class D design, the board generates minimal heat during normal operation. However, for prolonged high-volume use or in enclosed enclosures, attaching a small heatsink or providing some ventilation is recommended to maintain long-term reliability.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board suitable for car audio installations?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the 12V–24V operating range makes the XH-A415 a great fit for car, marine, or RV audio builds. Simply connect it to a regulated 12V or 24V supply from your vehicle's electrical system and wire in your speakers.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"TPA3118D2 Dual 50W Class D Stereo Amplifier Board XH-A415\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/tpa3118d2-dual-50w-class-d-stereo-amplifier-board-xh-a415\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447718944832,"sku":"200007763:201336100","price":41.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S8c80d81cf9284768af37736db23f0c22U.webp?v=1792562510"},{"product_id":"rs60n11m9a0f-sliding-potentiometer-b10k-ma2-console-lighting-fader","title":"RS60N11M9A0F Sliding Potentiometer B10K | MA2 Console Fader","description":"\n\u003ch2\u003eRS60N11M9A0F Sliding Potentiometer – MA2 Console Lighting Control Fader\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRS60N11M9A0F\u003c\/strong\u003e is a precision-engineered sliding potentiometer (B10K) built for demanding audio and lighting control applications. Whether you're replacing a worn fader on a mixing console or upgrading a lighting control desk such as the MA2, this component delivers stable, smooth, and accurate signal control every time.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Resistance Control:\u003c\/strong\u003e 10kΩ (B10K) resistance value with ±10% tolerance ensures consistent, reliable output across all operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Fader Action:\u003c\/strong\u003e Engineered for smooth linear travel, providing seamless control of audio levels or lighting intensity on mixing consoles and control desks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with MA2 \u0026amp; Mixing Consoles:\u003c\/strong\u003e Optimized as a direct replacement fader for MA2 lighting control consoles and compatible Yamaha\/Yasini CNC mixing console systems requiring stable, responsive performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Voltage Design:\u003c\/strong\u003e Rated at 5V, this potentiometer is ideal for sensitive low-power electronic circuits and control systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measuring approximately 1 × 1 × 1 cm and weighing just 0.032 kg, it integrates easily into space-constrained equipment without adding bulk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal Construction:\u003c\/strong\u003e Durable silver-toned metal build for long-lasting reliability in professional-grade applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e 4-SMD flat leads (rectangular) for straightforward PCB integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRS60N11M9A0F\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eResistance Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e10kΩ (B10K)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage\/Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4-SMD, Flat Leads\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRectangular\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.032 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × RS60N11M9A0F Sliding Potentiometer (MA2 Console Lighting Control Fader)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eScreen color calibration may cause slight color variations compared to the actual product.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement deviations due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What equipment is the RS60N11M9A0F sliding potentiometer compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The RS60N11M9A0F sliding potentiometer is specifically designed as a replacement fader for MA2 lighting control consoles and compatible Yamaha\/Yasini CNC mixing consoles. Its B10K (10kΩ) resistance value and SMD flat-lead package make it suitable for any audio or lighting control system requiring a precision 60mm linear fader.\u003c\/p\u003e\n\u003ch4\u003eQ: What does B10K mean for this potentiometer?\u003c\/h4\u003e\n\u003cp\u003eA: \"B10K\" denotes a linear taper (B-type) potentiometer with a resistance value of 10 kilohms (10kΩ). This means the resistance changes proportionally and evenly as you move the fader — ideal for precise, predictable level control on mixing consoles and lighting desks.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a direct drop-in replacement for my MA2 console fader?\u003c\/h4\u003e\n\u003cp\u003eA: The RS60N11M9A0F is engineered to match the specifications of MA2 console lighting control faders. We recommend verifying your console's fader model number against the RS60N11M9A0F specs (B10K, 4-SMD flat leads, rectangular form factor) before installation to confirm compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: How is this potentiometer installed?\u003c\/h4\u003e\n\u003cp\u003eA: This component uses a 4-SMD flat-lead package for PCB-level surface mounting. Installation typically requires soldering skills and appropriate tools. If you are not experienced with PCB repair, we recommend having the replacement performed by a qualified electronics technician.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What equipment is the RS60N11M9A0F sliding potentiometer compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RS60N11M9A0F sliding potentiometer is specifically designed as a replacement fader for MA2 lighting control consoles and compatible Yamaha\/Yasini CNC mixing consoles. Its B10K (10kΩ) resistance value and SMD flat-lead package make it suitable for any audio or lighting control system requiring a precision 60mm linear fader.\"}}, {\"@type\": \"Question\", \"name\": \"What does B10K mean for this potentiometer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\\\"B10K\\\" denotes a linear taper (B-type) potentiometer with a resistance value of 10 kilohms (10kΩ). This means the resistance changes proportionally and evenly as you move the fader — ideal for precise, predictable level control on mixing consoles and lighting desks.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a direct drop-in replacement for my MA2 console fader?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The RS60N11M9A0F is engineered to match the specifications of MA2 console lighting control faders. We recommend verifying your console's fader model number against the RS60N11M9A0F specs (B10K, 4-SMD flat leads, rectangular form factor) before installation to confirm compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"How is this potentiometer installed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This component uses a 4-SMD flat-lead package for PCB-level surface mounting. Installation typically requires soldering skills and appropriate tools. If you are not experienced with PCB repair, we recommend having the replacement performed by a qualified electronics technician.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"RS60N11M9A0F Sliding Potentiometer B10K | MA2 Console Fader\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/rs60n11m9a0f-sliding-potentiometer-b10k-ma2-console-lighting-fader\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447727300672,"sku":"200007763:201336100","price":86.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S813f6c2580054d309ab28156d67ac18fU.webp?v=1792562678"},{"product_id":"5-pack-max98357-i2s-class-d-audio-amplifier-module-raspberry-pi","title":"5-Pack MAX98357 I2S Class D Audio Amplifier Module – Raspberry Pi","description":"\n\u003ch2\u003eMAX98357 I2S Class D Audio Amplifier Module – 5-Pack\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio projects with this 5-pack of \u003cstrong\u003eMAX98357 I2S Class D Amplifier Modules\u003c\/strong\u003e. Combining digital decoding and amplification into a single compact PCB board, these modules are ideal for Raspberry Pi, microcontrollers, and other I2S-compatible platforms. Whether you're building a smart speaker, a media player, or an embedded audio system, this module delivers clean, efficient sound output in a tiny footprint. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Decoding \u0026amp; Amplification:\u003c\/strong\u003e The MAX98357 chip combines I2S digital audio decoding and Class D amplification on a single compact board — no external DAC or amplifier needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2S Digital Protocol Support:\u003c\/strong\u003e Compatible with Raspberry Pi, ESP32, Arduino, and most modern processors that support the I2S interface, enabling seamless, low-pin-count audio data transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (2.7V–5.5V DC):\u003c\/strong\u003e Perfectly suited for portable and battery-powered applications, with built-in thermal and over-current protection for long-term reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBridge Tied (BTL) Output:\u003c\/strong\u003e Direct speaker connection without additional amplifiers. The unfiltered Class D output uses PWM averaging for a clear and efficient audio signal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Gain (3dB–15dB):\u003c\/strong\u003e Easily tune the gain via the onboard Gain pin to match your specific audio output requirements across a variety of projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3W Output Power:\u003c\/strong\u003e Delivers up to 3W per channel — plenty of power for small desktop speakers, DIY enclosures, and compact embedded audio systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue PCB Board:\u003c\/strong\u003e Standard 5V power supply voltage; compact form factor fits perfectly in space-constrained builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMAX98357 I2S Class D Amplifier Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (Operating Range: 2.7V–5.5V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3dB – 15dB (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI2S\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBridge Tied Load (BTL), Unfiltered Class D\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × MAX98357 I2S Class D Audio Amplifier Decoder Modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairings for Your DIY Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eLooking for more components for your builds? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e – essential for battery-powered audio projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e – another versatile 5V-compatible sensor module for your DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e – reliable connectors to tidy up your module wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow for slight manual measurement deviation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the MAX98357 I2S amplifier module compatible with Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The MAX98357 I2S Class D amplifier module is fully compatible with Raspberry Pi (all models with I2S support), as well as ESP32, Arduino, and other microcontrollers that support the I2S digital audio protocol. It requires minimal wiring and no additional DAC hardware.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speaker impedance is compatible with this MAX98357 module?\u003c\/h4\u003e\n\u003cp\u003eA: The MAX98357 module supports 4Ω and 8Ω speakers. At 5V with a 4Ω load, it can deliver up to approximately 3W of output power. It connects directly to your speaker via the Bridge Tied Load (BTL) output — no output coupling capacitor or additional amplifier is needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the gain on the MAX98357 amplifier module?\u003c\/h4\u003e\n\u003cp\u003eA: The gain is adjusted via the onboard Gain (SD_MODE) pin. By connecting this pin to different voltage levels or leaving it floating, you can select gain settings ranging from 3dB up to 15dB, giving you flexibility to tune volume output for your specific project needs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why is this a 5-pack and who is it best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes 5 modules, making it excellent value for hobbyists, electronics educators, and makers who want spares for prototyping, classroom projects, or building multiple audio devices such as multi-room speaker systems or small amplifier arrays.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the MAX98357 I2S amplifier module compatible with Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The MAX98357 I2S Class D amplifier module is fully compatible with Raspberry Pi (all models with I2S support), as well as ESP32, Arduino, and other microcontrollers that support the I2S digital audio protocol. It requires minimal wiring and no additional DAC hardware.\"}}, {\"@type\": \"Question\", \"name\": \"What speaker impedance is compatible with this MAX98357 module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The MAX98357 module supports 4Ω and 8Ω speakers. At 5V with a 4Ω load, it can deliver up to approximately 3W of output power. It connects directly to your speaker via the Bridge Tied Load (BTL) output — no output coupling capacitor or additional amplifier is needed.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the gain on the MAX98357 amplifier module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The gain is adjusted via the onboard Gain (SD_MODE) pin. By connecting this pin to different voltage levels or leaving it floating, you can select gain settings ranging from 3dB up to 15dB, giving you flexibility to tune volume output for your specific project needs.\"}}, {\"@type\": \"Question\", \"name\": \"Why is this a 5-pack and who is it best suited for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes 5 modules, making it excellent value for hobbyists, electronics educators, and makers who want spares for prototyping, classroom projects, or building multiple audio devices such as multi-room speaker systems or small amplifier arrays.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Pack MAX98357 I2S Class D Audio Amplifier Module – Raspberry Pi\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/5-pack-max98357-i2s-class-d-audio-amplifier-module-raspberry-pi\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447733133376,"sku":"200007763:201336100","price":68.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sd0e4e21d5a844fd78646fb483afc20179.webp?v=1792562734"},{"product_id":"full-color-led-spectrum-analyzer-64x2-vu-meter-voice-control-remote-5u-rack","title":"LED Music Spectrum Analyzer 64×2 VU Meter – Voice \u0026 Remote","description":"\n\u003ch2\u003eFull Color LED Music Spectrum Analyzer – 64×2 VU Meter with Voice Control \u0026amp; Remote\u003c\/h2\u003e\n\u003cp\u003eTransform your audio setup into a stunning visual experience with this professional-grade \u003cstrong\u003eFull Color LED Music Spectrum Analyzer\u003c\/strong\u003e. Featuring \u003cstrong\u003e64×2 full-color LED lamp beads\u003c\/strong\u003e across dual channels, this unit delivers a real-time, dynamic visualization of your audio signal — perfect for home studios, DJ setups, hi-fi listening rooms, or 5U rack installations.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e64×2 Full-Color LED Display:\u003c\/strong\u003e 128 high-brightness LED beads across two channels for a vivid, eye-catching spectrum display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e11 Adjustable Display Modes:\u003c\/strong\u003e Choose from a variety of visualization styles to suit your aesthetic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e19 Colors \u0026amp; 6 Brightness Levels:\u003c\/strong\u003e Fully customize the look of your display to match your setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5 Gain Levels:\u003c\/strong\u003e Fine-tune sensitivity to match your audio source\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Input Modes:\u003c\/strong\u003e Seamlessly switch between \u003cem\u003evoice\/microphone control\u003c\/em\u003e and \u003cem\u003eline input\u003c\/em\u003e mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow \/ Mid \/ High Frequency Band Selection:\u003c\/strong\u003e Focus the display on the frequency range that matters most to you\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Control Included:\u003c\/strong\u003e Adjust settings from across the room without interrupting your listening session\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnob \u0026amp; Remote Operation:\u003c\/strong\u003e Control via front-panel knob or the included IR remote for maximum flexibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Build Quality:\u003c\/strong\u003e Metal casing with a front-facing HD acrylic panel for a sleek, professional finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5U Rack Compatible:\u003c\/strong\u003e Standard 480mm width fits neatly into any 5U rack enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 100–240V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50Hz – 18KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound Pickup Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; -40dB (94dB SPL at 1KHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 × 2 channels (128 total)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e480 × 58 × 48 mm (18.9 × 2.3 × 1.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000g \/ 2.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× LED Music Spectrum Analyzer Unit\u003c\/li\u003e\n  \u003cli\u003e1× Audio Cable\u003c\/li\u003e\n  \u003cli\u003e1× Power Cord\u003c\/li\u003e\n  \u003cli\u003e1× Remote Control\u003c\/li\u003e\n  \u003cli\u003e1× User Manual (Chinese \u0026amp; English)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the LED spectrum analyzer work with any audio source?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The unit supports both voice\/microphone input (via built-in sound pickup) and line input mode, so it is compatible with virtually any audio source — including amplifiers, mixers, stereo receivers, computers, and more. Simply switch between modes using the front-panel knob or the included remote control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I install this in a standard 19-inch rack?\u003c\/h4\u003e\n\u003cp\u003eA: The unit measures 480mm wide and is designed for 5U rack installation. While it fits most standard rack enclosures, please verify your rack's internal spacing and unit height before ordering. The metal casing and HD acrylic panel ensure a professional rack-mounted appearance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many color and display options are available?\u003c\/h4\u003e\n\u003cp\u003eA: You can choose from \u003cstrong\u003e19 colors\u003c\/strong\u003e, \u003cstrong\u003e6 brightness levels\u003c\/strong\u003e, \u003cstrong\u003e5 gain settings\u003c\/strong\u003e, and \u003cstrong\u003e11 display modes\u003c\/strong\u003e, giving you hundreds of possible combinations to perfectly match your audio environment or personal style.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this unit require any special wiring or installation?\u003c\/h4\u003e\n\u003cp\u003eA: No special wiring is needed. Simply plug in the included power cord, connect your audio source via the provided audio cable, and power it on. The remote and front-panel knob allow you to configure all settings without any tools or technical expertise.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the LED spectrum analyzer work with any audio source?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The unit supports both voice\/microphone input (via built-in sound pickup) and line input mode, so it is compatible with virtually any audio source — including amplifiers, mixers, stereo receivers, computers, and more. Simply switch between modes using the front-panel knob or the included remote control.\"}}, {\"@type\": \"Question\", \"name\": \"Can I install this in a standard 19-inch rack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The unit measures 480mm wide and is designed for 5U rack installation. While it fits most standard rack enclosures, please verify your rack's internal spacing and unit height before ordering. The metal casing and HD acrylic panel ensure a professional rack-mounted appearance.\"}}, {\"@type\": \"Question\", \"name\": \"How many color and display options are available?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can choose from 19 colors, 6 brightness levels, 5 gain settings, and 11 display modes, giving you hundreds of possible combinations to perfectly match your audio environment or personal style.\"}}, {\"@type\": \"Question\", \"name\": \"Does this unit require any special wiring or installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No special wiring is needed. Simply plug in the included power cord, connect your audio source via the provided audio cable, and power it on. The remote and front-panel knob allow you to configure all settings without any tools or technical expertise.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LED Music Spectrum Analyzer 64×2 VU Meter – Voice \u0026 Remote\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/full-color-led-spectrum-analyzer-64x2-vu-meter-voice-control-remote-5u-rack\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447748468800,"sku":"200007763:201336100","price":320.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sb41eaed55624415e86100e098eee7501t.webp?v=1792563174"},{"product_id":"xh-m543-120w-dual-channel-digital-power-amplifier-board-tpa3116d2","title":"XH-M543 120W×2 Dual-Channel Digital Amplifier Board TPA3116D2","description":"\n\u003ch2\u003eXH-M543 Digital Power Amplifier Board – 120W×2 Dual-Channel Audio Amp Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY speaker system with the \u003cstrong\u003eXH-M543 Digital Power Amplifier Board\u003c\/strong\u003e. Powered by the \u003cstrong\u003eTPA3116D2 chip\u003c\/strong\u003e, this compact dual-channel amp module delivers a whopping \u003cstrong\u003e120W × 2 output\u003c\/strong\u003e with remarkable energy efficiency, minimal heat generation, and ultra-low signal distortion. Whether you're building a custom home audio setup or enhancing an existing speaker project, this board offers professional-grade performance in a small, easy-to-integrate package.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Power Output:\u003c\/strong\u003e Delivers up to 120W × 2 (dual channel) for rich, full-bodied stereo sound in any DIY audio application.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates on DC 12V–26V, making it compatible with a broad range of power supplies for flexible installation options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTPA3116D2 Chip Technology:\u003c\/strong\u003e Advanced digital amplification ensures high energy efficiency, low heat output, and a 100dB signal-to-noise ratio for crystal-clear audio reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Capacitors Directly Soldered:\u003c\/strong\u003e High-capacitance SMD capacitors are soldered directly to the baseboard with no solder joints on the back — eliminating short-circuit risk and improving long-term reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile Design:\u003c\/strong\u003e Measuring just 15×12×2cm, this board integrates seamlessly into custom enclosures, DIY speaker cabinets, and other audio projects.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXH-M543\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 26V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax 120W × 2 (Dual Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 × 12 × 2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × XH-M543 Digital Power Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY home speaker builds and audio enthusiast projects\u003c\/li\u003e\n  \u003cli\u003eCustom stereo amplifier enclosures\u003c\/li\u003e\n  \u003cli\u003eReplacing or upgrading existing amplifier boards\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists and professional audio makers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more DIY electronics components? Check out our \u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e and our \u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin Wire-to-Board Connector Housing\u003c\/a\u003e for your next electronics project.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement deviations (±1–2mm).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What chip does the XH-M543 amplifier board use, and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: The XH-M543 uses the \u003cstrong\u003eTPA3116D2 digital amplifier chip\u003c\/strong\u003e, a well-regarded component in DIY audio circles. It delivers high energy efficiency, low heat generation, and a 100dB signal-to-noise ratio — meaning cleaner, more accurate audio reproduction compared to many traditional analog amplifier chips.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply do I need for the XH-M543 amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The board accepts a wide DC input range of \u003cstrong\u003e12V to 26V\u003c\/strong\u003e. For full 120W×2 output, a higher-voltage supply (close to 24–26V) with sufficient current capacity is recommended. Always use a stable, regulated DC power supply matched to your speakers' requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this amplifier board suitable for beginners in DIY audio projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The XH-M543 amplifier module is a popular choice for both beginners and experienced audio hobbyists. Its compact size, straightforward connections, and wide voltage compatibility make it easy to integrate into a speaker enclosure. Basic knowledge of DC wiring and speaker connections is all that's needed to get started.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this board with car audio or home speaker systems?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The XH-M543's DC 12–26V input range makes it compatible with both automotive 12V systems and home audio setups using a suitable DC power adapter, offering great versatility for different environments.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What chip does the XH-M543 amplifier board use, and why does it matter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XH-M543 uses the TPA3116D2 digital amplifier chip, a well-regarded component in DIY audio circles. It delivers high energy efficiency, low heat generation, and a 100dB signal-to-noise ratio — meaning cleaner, more accurate audio reproduction compared to many traditional analog amplifier chips.\"}}, {\"@type\": \"Question\", \"name\": \"What power supply do I need for the XH-M543 amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board accepts a wide DC input range of 12V to 26V. For full 120W×2 output, a higher-voltage supply (close to 24–26V) with sufficient current capacity is recommended. Always use a stable, regulated DC power supply matched to your speakers' requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board suitable for beginners in DIY audio projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The XH-M543 amplifier module is a popular choice for both beginners and experienced audio hobbyists. Its compact size, straightforward connections, and wide voltage compatibility make it easy to integrate into a speaker enclosure. Basic knowledge of DC wiring and speaker connections is all that's needed to get started.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this board with car audio or home speaker systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The XH-M543's DC 12–26V input range makes it compatible with both automotive 12V systems and home audio setups using a suitable DC power adapter, offering great versatility for different environments.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"XH-M543 120W×2 Dual-Channel Digital Amplifier Board TPA3116D2\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/xh-m543-120w-dual-channel-digital-power-amplifier-board-tpa3116d2\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"China Mainland","offer_id":41447749582912,"sku":"200007763:201336100","price":54.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S8043f2d18a794051a40fd3c95934a74d4.webp?v=1792563189"},{"product_id":"solid-aluminum-rotary-encoder-knob-6mm-potentiometer-volume","title":"Solid Aluminum Rotary Encoder Knob | 6mm Potentiometer Knob","description":"\n\u003ch2\u003eSolid Machined Aluminum Rotary Encoder Knob\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio equipment, DIY electronics, or amplifier build with this precision-machined \u003cstrong\u003esolid aluminum rotary encoder knob\u003c\/strong\u003e. Engineered for a snug, secure fit on standard 6mm shafts, this knob delivers a premium look and a satisfying tactile feel whether you're adjusting volume, tone, or any potentiometer-controlled parameter.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolid Aluminum Construction:\u003c\/strong\u003e Machined from high-quality solid aluminum for a sturdy, long-lasting build — far more durable than standard plastic knobs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnurled \u0026amp; Diamond Grip:\u003c\/strong\u003e Cylindrical body with knurled and diamond-pattern texturing for a confident, slip-free grip during adjustments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 6mm Shaft Fit:\u003c\/strong\u003e Designed to fit standard 6.00mm rotary encoder and potentiometer shafts — compatible with most audio amplifiers, mixers, guitar pedals, and DIY projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Color Options:\u003c\/strong\u003e Available in Silver, Black, Blue, Red, and Golden to match your build's aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean, Professional Finish:\u003c\/strong\u003e Anodized surface gives a sleek, polished appearance suitable for high-end audio gear and custom electronics alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylindrical\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrip Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKnurled, Diamond\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver, Black, Blue, Red, Golden\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Aluminum Knob\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAudio amplifiers \u0026amp; preamplifiers\u003c\/li\u003e\n  \u003cli\u003eDJ mixers \u0026amp; studio equipment\u003c\/li\u003e\n  \u003cli\u003eGuitar pedals \u0026amp; effect units\u003c\/li\u003e\n  \u003cli\u003eDIY electronics \u0026amp; Arduino\/Raspberry Pi projects\u003c\/li\u003e\n  \u003cli\u003eVintage audio restoration builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-jaw-keyless-ratchet-drill-chuck-0-8-10mm-self-locking\"\u003e3-Jaw Keyless Ratchet Drill Chuck 0.8–10mm Self-Locking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What shaft size does this aluminum rotary encoder knob fit?\u003c\/h4\u003e\n\u003cp\u003eA: This knob is designed to fit a standard \u003cstrong\u003e6.00mm diameter shaft\u003c\/strong\u003e, making it compatible with most common rotary encoders, potentiometers, and volume control components used in audio amplifiers, mixers, and DIY electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What colors are available for this aluminum knob?\u003c\/h4\u003e\n\u003cp\u003eA: This solid aluminum rotary encoder knob is available in five finish options: \u003cstrong\u003eSilver, Black, Blue, Red, and Golden\u003c\/strong\u003e. Select the color that best suits your build or equipment aesthetic at time of ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this knob suitable for DIY audio amplifier projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The solid machined aluminum construction, knurled diamond grip texture, and universal 6mm shaft fit make this knob an excellent choice for \u003cstrong\u003eDIY amplifier builds, guitar pedals, studio gear, and custom electronics projects\u003c\/strong\u003e where a premium feel and professional appearance are desired.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What shaft size does this aluminum rotary encoder knob fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This knob is designed to fit a standard 6.00mm diameter shaft, making it compatible with most common rotary encoders, potentiometers, and volume control components used in audio amplifiers, mixers, and DIY electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"What colors are available for this aluminum knob?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solid aluminum rotary encoder knob is available in five finish options: Silver, Black, Blue, Red, and Golden. Select the color that best suits your build or equipment aesthetic at time of ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Is this knob suitable for DIY audio amplifier projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The solid machined aluminum construction, knurled diamond grip texture, and universal 6mm shaft fit make this knob an excellent choice for DIY amplifier builds, guitar pedals, studio gear, and custom electronics projects where a premium feel and professional appearance are desired.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Solid Aluminum Rotary Encoder Knob | 6mm Potentiometer Knob\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/solid-aluminum-rotary-encoder-knob-6mm-potentiometer-volume\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Black","offer_id":41455145517120,"sku":"14:200002130#Black","price":18.19,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":41455145549888,"sku":"14:200003699#Silver","price":17.96,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":41455145582656,"sku":"14:200004889#Red","price":17.96,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":41455145615424,"sku":"14:200004891#Gold","price":18.08,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":41455145648192,"sku":"14:200004890#Blue","price":18.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S026fb0206c094b84adddd8bb5ca5fc1eg.webp?v=1792763938"},{"product_id":"panel-vu-meter-6v-12v-warm-backlit-audio-level-amp-meter","title":"Panel VU Meter 6V–12V Warm Backlit Audio Level Amp Indicator","description":"\n\u003ch2\u003ePanel VU Meter with Warm Filament Backlight – 500μA Audio Level Amp Indicator\u003c\/h2\u003e\n\u003cp\u003eMonitor your audio signal levels with precision using this classic \u003cstrong\u003ePanel VU Meter\u003c\/strong\u003e. Designed for DIY audio builds, amplifiers, and recording equipment, this compact analog meter features a warm filament backlight powered by DC\/AC 6–12V, making the scale easy to read in any lighting condition. With a 630-ohm header DC resistance and 500μA full-scale deflection, it delivers stable, reliable performance in a compact 35 × 35mm form factor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarm Filament Backlight:\u003c\/strong\u003e Powered by DC\/AC 6–12V for bright, easy-to-read display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e500μA Full-Scale Deflection:\u003c\/strong\u003e Accurate audio level and amp monitoring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e630-Ohm Header DC Resistance:\u003c\/strong\u003e Compatible with a wide range of audio circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Approx. 35 × 35mm — fits standard panel cutouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Build:\u003c\/strong\u003e Plastic housing with electronic-grade components for stable, long-lasting performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Straightforward panel-mount design, no special tools required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Electronic Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 35 × 35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeader DC Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e630 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectric Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500μA (5×10⁻⁴ A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBacklight Filament Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC\/AC 6–12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Panel VU Meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eThis VU meter is ideal for audio amplifiers, home studio recording setups, Hi-Fi builds, vintage audio restorations, and any DIY electronics project that requires a visual audio level indicator. Its warm backlight gives it a classic retro aesthetic that complements tube amp and vintage hi-fi builds.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more DIY electrical components? Check out our \u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e and our \u003ca href=\"\/products\/g9-ceramic-lamp-holder-socket-diy-led-bulb-base-converter\"\u003eG9 Ceramic Lamp Holder Socket – DIY LED Bulb Base Converter\u003c\/a\u003e for your next build.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003ePlease allow 1–3mm tolerance due to manual measurement. Colors may appear slightly different on various monitor displays.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage does the VU meter backlight require?\u003c\/h4\u003e\n\u003cp\u003eA: The warm filament backlight operates on DC\/AC 6–12V. Make sure your power supply or circuit provides a voltage within this range to illuminate the meter scale properly.\u003c\/p\u003e\n\u003ch4\u003eQ: What type of audio equipment is this panel VU meter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 500μA panel VU meter is compatible with a wide range of audio equipment including amplifiers, Hi-Fi stereo receivers, home recording setups, tube amps, and custom DIY audio builds that require a visual audio level indicator.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the VU meter easy to install in a custom panel?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The compact 35 × 35mm form factor and standard panel-mount design make installation straightforward. No special tools are needed — simply mount it into the appropriate panel cutout and connect the backlight and signal wires.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this product come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, a battery is not included. The backlight is powered by an external DC\/AC 6–12V source from your audio circuit or power supply.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage does the VU meter backlight require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The warm filament backlight operates on DC\/AC 6–12V. Make sure your power supply or circuit provides a voltage within this range to illuminate the meter scale properly.\"}}, {\"@type\": \"Question\", \"name\": \"What type of audio equipment is this panel VU meter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 500μA panel VU meter is compatible with a wide range of audio equipment including amplifiers, Hi-Fi stereo receivers, home recording setups, tube amps, and custom DIY audio builds that require a visual audio level indicator.\"}}, {\"@type\": \"Question\", \"name\": \"Is the VU meter easy to install in a custom panel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The compact 35 × 35mm form factor and standard panel-mount design make installation straightforward. 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The backlight is powered by an external DC\/AC 6–12V source from your audio circuit or power supply.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Panel VU Meter 6V–12V Warm Backlit Audio Level Amp Indicator\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/panel-vu-meter-6v-12v-warm-backlit-audio-level-amp-meter\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Default Title","offer_id":41455149023296,"sku":"\u003cnone\u003e","price":27.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sf5834f700df1419e8cf461de9c9840e9R.webp?v=1792763948"},{"product_id":"10pcs-plastic-fader-knob-caps-1x8-2x4mm-dj-mixer-audio-console","title":"10Pcs Fader Knob Caps 1×8 \u0026 2×4mm | DJ Mixer Audio Console","description":"\n\u003ch2\u003e10-Pack Plastic Sliding Fader Knob Caps for DJ Mixers \u0026amp; Audio Consoles\u003c\/h2\u003e\n\u003cp\u003eUpgrade your mixing setup with these durable, colorful fader knob caps. Designed for professional and home studio use, this set of 10 plastic fader caps fits standard 1×8mm and 2×4mm fader shafts — making them compatible with a wide range of DJ mixers, audio consoles, sound cards, equalizers, and effectors. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Durability:\u003c\/strong\u003e Crafted from high-grade plastic with excellent abrasion, impact, and frequent sliding resistance. Resists cracking and deformation under long-term, heavy-use conditions — reducing the need for frequent replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12 Vibrant Color Options:\u003c\/strong\u003e Available in 12 bright, distinct colors so you can instantly identify and label different function channels on your mixer. Improve workflow efficiency and reduce the chance of accidental misoperation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Two hole size options — 4mm small hole and 8mm large hole — fit most standard 2×4 and 1×8 fader shaft configurations. Works seamlessly with DJ mixers, professional audio mixing consoles, sound cards, effectors, and other audio equipment without any modifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Slip Grip:\u003c\/strong\u003e Textured, grooved top surface with an embedded non-slip strip ensures stable, precise control even with damp hands or when wearing gloves. Smooth and accurate fader adjustment every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Installation:\u003c\/strong\u003e Integrated snap-fit design lets you mount each cap directly onto the fader lever in seconds — no tools required. Perfect for quickly replacing old, worn, or broken fader knobs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4mm (small) \/ 8mm (large) — fits 1×8mm and 2×4mm fader shafts\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pieces per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 color options (as shown in images)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDJ mixers, audio mixing consoles, professional sound cards, effectors, equalizers, and related audio equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for illustration purposes; actual size may differ from what appears on screen. Please refer to the specifications above for dimensions.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measuring. Color appearance may vary slightly between monitors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/snap-in-spring-switch-button-shaver-base-s3206-s3122-s3132-s4303\"\u003eSnap-In Spring Switch Button for Shaver S3206 S3122 S3132\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/black-waterproof-inline-cord-switch-3a-250v-double-pole\"\u003eBlack Waterproof Inline Cord Switch 3A 250V Double Pole\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What fader shaft sizes do these knob caps fit?\u003c\/h4\u003e\n\u003cp\u003eA: These fader caps are designed to fit two common shaft sizes — 4mm (small hole) and 8mm (large hole) — accommodating standard 1×8mm and 2×4mm fader shaft configurations found on most DJ mixers, audio consoles, sound cards, effectors, and equalizers.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any tools to install these fader knob caps?\u003c\/h4\u003e\n\u003cp\u003eA: No tools are needed. Each cap features an integrated snap-fit structure that allows you to press it directly onto the fader lever in seconds, making installation and replacement fast and effortless.\u003c\/p\u003e\n\u003ch4\u003eQ: How many caps are included, and are different colors available?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack includes 10 fader knob caps. They are available in 12 different bright color options, making it easy to color-code channels on your mixer for quick visual identification and improved mixing workflow.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What fader shaft sizes do these knob caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These fader caps are designed to fit two common shaft sizes — 4mm (small hole) and 8mm (large hole) — accommodating standard 1×8mm and 2×4mm fader shaft configurations found on most DJ mixers, audio consoles, sound cards, effectors, and equalizers.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any tools to install these fader knob caps?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools are needed. Each cap features an integrated snap-fit structure that allows you to press it directly onto the fader lever in seconds, making installation and replacement fast and effortless.\"}}, {\"@type\": \"Question\", \"name\": \"How many caps are included, and are different colors available?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack includes 10 fader knob caps. They are available in 12 different bright color options, making it easy to color-code channels on your mixer for quick visual identification and improved mixing workflow.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10Pcs Fader Knob Caps 1×8 \u0026 2×4mm | DJ Mixer Audio Console\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/10pcs-plastic-fader-knob-caps-1x8-2x4mm-dj-mixer-audio-console\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"1X8 Gray","offer_id":41455155806272,"sku":"14:1254#1X8 Gray","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Blue Black","offer_id":41455155839040,"sku":"14:366#1X8 Blue Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Dark blue","offer_id":41455155871808,"sku":"14:29#1X8 Dark blue","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Brown","offer_id":41455155904576,"sku":"14:350853#1X8 Brown","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Dark blue","offer_id":41455155937344,"sku":"14:10#2X4 Dark blue","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Yellow","offer_id":41455155970112,"sku":"14:200003699#1X8 Yellow","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 White","offer_id":41455156002880,"sku":"14:200004891#1X8 White","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Black","offer_id":41455156035648,"sku":"14:200004890#1X8 Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"1X8 Yellow Black","offer_id":41455156068416,"sku":"14:200004889#1X8 Yellow Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Gray","offer_id":41455156101184,"sku":"14:175#2X4 Gray","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Grey Black","offer_id":41455156133952,"sku":"14:691#2X4 Grey Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Red White","offer_id":41455156166720,"sku":"14:350850#2X4 Red White","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Red","offer_id":41455156199488,"sku":"14:365458#2X4 Red","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Blue Black","offer_id":41455156232256,"sku":"14:496#2X4 Blue Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Green Black","offer_id":41455156265024,"sku":"14:1052#2X4 Green Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Yellow Black","offer_id":41455156297792,"sku":"14:350852#2X4 Yellow Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Yellow","offer_id":41455156330560,"sku":"14:200002130#2X4 Yellow","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 White","offer_id":41455156363328,"sku":"14:173#2X4 White","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Black","offer_id":41455156396096,"sku":"14:193#2X4 Black","price":2.66,"currency_code":"USD","in_stock":true},{"title":"2X4 Brown","offer_id":41455156428864,"sku":"14:771#2X4 Brown","price":2.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/Sc5b45e7e5e614295bee6128fed6e0949V.webp?v=1792763978"},{"product_id":"6f2-vacuum-tube-ecf82-6u8-upgrade-tube-amplifier","title":"6F2 Vacuum Tube ECF82\/6U8 Upgrade for Tube Amplifiers","description":"\n\u003ch2\u003e6F2 Electronic Vacuum Tube – ECF82 \/ 6U8 Amplifier Upgrade\u003c\/h2\u003e\n\u003cp\u003eElevate your tube amplifier's performance with this precision-made \u003cstrong\u003e6F2 electronic vacuum tube\u003c\/strong\u003e. Designed as a direct upgrade and pairing tube for \u003cstrong\u003eECF82 and 6U8\u003c\/strong\u003e compatible amplifiers, this glass electron tube delivers clean, warm signal amplification ideal for audiophiles and electronics enthusiasts alike. Whether you're restoring a vintage amp or upgrading a modern build, the 6F2 is a reliable, high-quality choice.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Upgrade\u003c\/strong\u003e – Compatible with ECF82 and 6U8 tube amplifier circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Glass Construction\u003c\/strong\u003e – Transparent glass envelope for visual inspection and classic tube aesthetics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size\u003c\/strong\u003e – Height: 5.5 cm (2.16 inches), ideal for tight amplifier chassis layouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New \u0026amp; High Quality\u003c\/strong\u003e – 100% new, not refurbished or pulled stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Pairing\u003c\/strong\u003e – Suitable for preamplifier and signal-processing stages in tube amplifier builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6F2 (ECF82 \/ 6U8 Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5 cm \/ 2.16 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 6F2 Vacuum Tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos may not reflect actual size — please refer to the specifications above for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 5–10 mm variation due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eMonitor color settings may slightly affect how the product appears in images.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the 6F2 vacuum tube a direct replacement for the ECF82 or 6U8?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the 6F2 tube is designed as a compatible upgrade and pairing tube for ECF82 and 6U8 tube amplifier circuits. It is widely used in preamplifier and signal stages where these tube types are specified. Always verify your amplifier's circuit requirements before substituting tubes.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the height of this vacuum tube?\u003c\/h4\u003e\n\u003cp\u003eA: The 6F2 vacuum tube measures 5.5 cm (approximately 2.16 inches) in height. Please allow for a 5–10 mm manual measurement tolerance.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this tube new or used\/refurbished?\u003c\/h4\u003e\n\u003cp\u003eA: This is a 100% brand-new vacuum tube — not refurbished, pulled, or used stock. It arrives ready to install in your amplifier build or restoration project.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the tube envelope made from?\u003c\/h4\u003e\n\u003cp\u003eA: The tube envelope is made from transparent glass, which is standard for electron tubes of this type and allows visual inspection of the internal elements.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the 6F2 vacuum tube a direct replacement for the ECF82 or 6U8?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the 6F2 tube is designed as a compatible upgrade and pairing tube for ECF82 and 6U8 tube amplifier circuits. It is widely used in preamplifier and signal stages where these tube types are specified. 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It arrives ready to install in your amplifier build or restoration project.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the tube envelope made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The tube envelope is made from transparent glass, which is standard for electron tubes of this type and allows visual inspection of the internal elements.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"6F2 Vacuum Tube ECF82\/6U8 Upgrade for Tube Amplifiers\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/6f2-vacuum-tube-ecf82-6u8-upgrade-tube-amplifier\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"TP","offer_id":41455189557312,"sku":"14:200026864#TP","price":24.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S472f92405dc846b0929b309328ed4d3eg.webp?v=1792764290"},{"product_id":"18mm-ceramic-9-pin-b9a-pcb-tube-socket-12ax7-12at7-hifi-amp-diy-5-pack","title":"5-Pack 18mm Ceramic 9-Pin B9A Tube Socket for 12AX7 12AT7","description":"\u003ch2\u003e5-Pack Ceramic 9-Pin B9A PCB Mount Tube Sockets – HiFi Audio DIY\u003c\/h2\u003e\n\u003cp\u003eUpgrade your vintage amplifier build or HiFi audio project with these premium \u003cstrong\u003e18mm Ceramic 9-Pin B9A PCB Mount Tube Sockets\u003c\/strong\u003e. Designed for DIY audiophiles and electronics enthusiasts, these sockets provide a reliable, low-resistance connection for popular preamp and power tubes. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCeramic Construction:\u003c\/strong\u003e High-temperature-resistant ceramic body ensures stability and longevity even under demanding amplifier operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrass Pins with Tin \u0026amp; Gold Plating:\u003c\/strong\u003e Brass pin contacts finished with tin and gold plating deliver excellent conductivity and corrosion resistance for a clean, noise-free signal path.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Mount Design:\u003c\/strong\u003e Engineered for direct printed circuit board mounting, making installation clean and straightforward for both beginners and experienced builders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB9A 9-Pin Standard:\u003c\/strong\u003e Compatible with a wide range of popular audio tubes including \u003cstrong\u003e12AX7, 12AU7, 12AT7, 12BH7, EL84\u003c\/strong\u003e, and other B9A-base tubes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Dimensions:\u003c\/strong\u003e 18mm diameter × 15mm height — a neat, space-efficient footprint ideal for tight amplifier chassis layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 5:\u003c\/strong\u003e Great value set for multi-channel builds, replacement stock, or prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCeramic body, Brass pins\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTin plated \u0026amp; Gold plated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9-Pin B9A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12AX7, 12AU7, 12AT7, 12BH7, EL84, and other B9A-base tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 pcs per set\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHiFi vacuum tube amplifier builds and restorations\u003c\/li\u003e\n  \u003cli\u003eVintage amp DIY and repair projects\u003c\/li\u003e\n  \u003cli\u003ePreamplifier and integrated amplifier circuit boards\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists and audio engineers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cp\u003eComplete your DIY electronics project with these helpful items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which vacuum tubes are compatible with these B9A 9-pin ceramic tube sockets?\u003c\/h4\u003e\n\u003cp\u003eA: These B9A 9-pin PCB mount tube sockets are compatible with a wide range of popular audio tubes, including the 12AX7, 12AU7, 12AT7, 12BH7, and EL84, as well as other tubes sharing the standard B9A 9-pin base configuration.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these ceramic tube sockets suitable for PCB installation in a HiFi amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. These sockets are specifically designed for PCB mount applications, with pin spacing and dimensions suited for direct soldering onto a printed circuit board. Their ceramic body handles high operating temperatures typical of vacuum tube amplifiers with ease.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the advantage of gold-plated pins on a tube socket?\u003c\/h4\u003e\n\u003cp\u003eA: Gold plating on the brass contact pins provides superior corrosion resistance and excellent electrical conductivity. This helps maintain a clean, low-noise signal path over time — an important factor in high-fidelity audio applications where signal integrity is paramount.\u003c\/p\u003e\n\u003ch4\u003eQ: How many sockets are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes a set of 5 ceramic 9-pin B9A PCB mount tube sockets, making it ideal for multi-channel amplifier builds or keeping spares on hand for future repairs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which vacuum tubes are compatible with these B9A 9-pin ceramic tube sockets?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These B9A 9-pin PCB mount tube sockets are compatible with a wide range of popular audio tubes, including the 12AX7, 12AU7, 12AT7, 12BH7, and EL84, as well as other tubes sharing the standard B9A 9-pin base configuration.\"}}, {\"@type\": \"Question\", \"name\": \"Are these ceramic tube sockets suitable for PCB installation in a HiFi amplifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. These sockets are specifically designed for PCB mount applications, with pin spacing and dimensions suited for direct soldering onto a printed circuit board. Their ceramic body handles high operating temperatures typical of vacuum tube amplifiers with ease.\"}}, {\"@type\": \"Question\", \"name\": \"What is the advantage of gold-plated pins on a tube socket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Gold plating on the brass contact pins provides superior corrosion resistance and excellent electrical conductivity. This helps maintain a clean, low-noise signal path over time — an important factor in high-fidelity audio applications where signal integrity is paramount.\"}}, {\"@type\": \"Question\", \"name\": \"How many sockets are included in this listing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each order includes a set of 5 ceramic 9-pin B9A PCB mount tube sockets, making it ideal for multi-channel amplifier builds or keeping spares on hand for future repairs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Pack 18mm Ceramic 9-Pin B9A Tube Socket for 12AX7 12AT7\", \"item\": \"https:\/\/akv9zi-87.myshopify.com\/products\/18mm-ceramic-9-pin-b9a-pcb-tube-socket-12ax7-12at7-hifi-amp-diy-5-pack\"}]}\u003c\/script\u003e","brand":"PRIMED","offers":[{"title":"Silver","offer_id":41455236382784,"sku":"14:350850#Silver","price":14.44,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":41455236415552,"sku":"14:350686#Gold","price":20.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/2948\/1536\/files\/S2509746c06574c23afc1c396107585cak.webp?v=1792764544"}],"url":"https:\/\/primedgoods.com\/collections\/audio-amplifier-boards.oembed","provider":"PRIMED","version":"1.0","type":"link"}