{"product_id":"50w-bluetooth-5-1-digital-stereo-amplifier-board-ys-ap50l","title":"50W×2 Bluetooth 5.1 Digital Stereo Amplifier Board YS-AP50L","description":"\n\u003ch2\u003e50W+50W Bluetooth 5.1 Digital Stereo Power Amplifier Board – YS-AP50L\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio build to the next level with the \u003cstrong\u003eYS-AP50L 50W×2 Mini Digital Stereo Amplifier Board\u003c\/strong\u003e. Featuring \u003cstrong\u003eBluetooth 5.1\u003c\/strong\u003e wireless connectivity, this compact amplifier module delivers crystal-clear, full-bodied stereo sound across both channels — perfect for custom speaker enclosures, audio modification projects, home audio setups, and more. Stream music wirelessly from your phone, tablet, or laptop up to \u003cstrong\u003e15 metres away\u003c\/strong\u003e with no dropouts and no compromises on audio quality.\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\u003e50W per channel\u003c\/strong\u003e (100W total) — scalable output based on supply voltage (DC 12V–24V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.1\u003c\/strong\u003e — stable, low-latency wireless audio streaming up to 15 m (unobstructed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-channel stereo\u003c\/strong\u003e — true left\/right channel separation for immersive audio\u003c\/li\u003e\n  \u003cli\u003eCompatible with \u003cstrong\u003e4Ω, 8Ω, and 16Ω speakers\u003c\/strong\u003e rated 30W–200W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple protection\u003c\/strong\u003e: reverse polarity protection, short-circuit protection, and self-recovering overheating protection\u003c\/li\u003e\n  \u003cli\u003eCompact board design — easy to integrate into any DIY audio enclosure or modification project\u003c\/li\u003e\n  \u003cli\u003eLINE OUT (Audio Out) for flexible signal routing\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 style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eYS-AP50L\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eDC 12V – 24V (max 26V)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e5.1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWireless Range\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eUp to 15 m (unobstructed)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eStereo (Left + Right dual channel)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible Speakers\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e30W–200W, 4Ω \/ 8Ω \/ 16Ω\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput (12V)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8Ω: 15W+15W | 4Ω: 20W+20W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput (15V)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8Ω: 18W+18W | 4Ω: 30W+30W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput (19V)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8Ω: 32W+32W | 4Ω: 45W+45W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput (24V)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8Ω: 40W+40W | 4Ω: 50W+50W\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Supply Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2A or more\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBuilt-in Battery\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eKeep the amplifier board away from Wi-Fi routers to reduce wireless interference.\u003c\/li\u003e\n  \u003cli\u003eDo \u003cstrong\u003enot\u003c\/strong\u003e exceed 26V supply voltage — doing so may damage the chip.\u003c\/li\u003e\n  \u003cli\u003eUse a power supply rated above 2A for optimal performance.\u003c\/li\u003e\n  \u003cli\u003eKeep speaker cables under 1 metre in length for best results.\u003c\/li\u003e\n  \u003cli\u003eAlways discharge static electricity from your hands before handling the board — the Bluetooth chip is sensitive to electrostatic discharge (ESD).\u003c\/li\u003e\n  \u003cli\u003eUse speakers rated at 40W or above to prevent overheating.\u003c\/li\u003e\n  \u003cli\u003eEnsure your power supply output is greater than the amplifier's output power for the best sound quality.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eGreat Pairing Ideas\u003c\/h3\u003e\n\u003cp\u003eBuilding a DIY audio workbench? Check out these related tools and accessories from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10 in 1 Multi Functional Bone Wrench – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-in-1-precision-eyeglass-screwdriver-keychain-portable-mini-screwdriver-for-glasses-watch-spectacles-repair-hand-tool\"\u003e3-in-1 Precision Mini Screwdriver Keychain – Portable Repair Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\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 YS-AP50L Bluetooth amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The YS-AP50L requires a DC power supply between 12V and 24V, with a current rating of at least 2A. For maximum output of 50W+50W per channel, use a 24V supply. Do not exceed 26V, as this may damage the internal chip.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speakers are compatible with the YS-AP50L amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: This amplifier board is compatible with passive speakers rated between 30W and 200W with impedances of 4Ω, 8Ω, or 16Ω. For safe operation, speakers rated at 40W or higher are recommended to avoid overheating.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How far away can I stream audio via Bluetooth to the YS-AP50L?\u003c\/h4\u003e\n\u003cp\u003eA: The YS-AP50L uses Bluetooth 5.1, which supports a wireless transmission range of up to 15 metres in an unobstructed environment. For best performance, keep the board away from Wi-Fi routers and other sources of 2.4GHz interference.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the YS-AP50L suitable for DIY speaker and audio modification projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this compact amplifier board is specifically designed for DIY audio builds, custom speaker enclosures, and audio modification projects. Its small footprint, versatile voltage range, and built-in protection features make it an excellent choice for hobbyists and electronics enthusiasts.\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 YS-AP50L Bluetooth amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The YS-AP50L requires a DC power supply between 12V and 24V, with a current rating of at least 2A. For maximum output of 50W+50W per channel, use a 24V supply. 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