{"product_id":"bluetooth-5-1-stereo-digital-amplifier-board-50w-ys-ap50l","title":"50W+50W Bluetooth 5.1 Digital Stereo Amplifier Board YS-AP50L","description":"\n\u003ch2\u003e50W+50W Bluetooth 5.1 Mini Digital Stereo Amplifier Board – YS-AP50L\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY audio projects with the \u003cstrong\u003eYS-AP50L Stereo Bluetooth Digital Power Amplifier Board\u003c\/strong\u003e — a compact, high-performance module that delivers up to \u003cstrong\u003e50W per channel\u003c\/strong\u003e of crisp, clear stereo sound. Whether you're building a custom speaker cabinet, retrofitting a vintage hi-fi unit, or creating a workshop audio system from scratch, this amplifier board gives you professional-grade output in a miniature footprint. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.1\u003c\/strong\u003e — Stable wireless connection up to 15 meters (line of sight) for seamless audio streaming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Stereo Output\u003c\/strong\u003e — True left\/right stereo, up to 50W+50W at 4Ω (DC 24V supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage\u003c\/strong\u003e — DC 12V–24V input; higher voltage = greater output power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Speaker Range\u003c\/strong\u003e — Works with 30W–200W speakers at 4Ω, 8Ω, and 16Ω impedances\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Protection\u003c\/strong\u003e — Reverse polarity protection, short circuit protection, and self-recovery overheating protection keep your components safe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLine Out (Audio Out)\u003c\/strong\u003e — Flexible output options for custom audio routing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Ready Design\u003c\/strong\u003e — Compact board format ideal for integration into enclosures, speaker builds, and audio modification projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePower Output Reference Chart\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eSupply Voltage\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003e8Ω Output\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003e4Ω Output\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eDC 12V\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e15W + 15W\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e20W + 20W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eDC 15V\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e18W + 18W\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026gt;30W + 30W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eDC 19V\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e32W + 32W\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026gt;45W + 45W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eDC 24V\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e40W + 40W\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026gt;50W + 50W\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e YS-AP50L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 5.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Range:\u003c\/strong\u003e Up to 15 meters (unobstructed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e DC 12V–24V (do not exceed 26V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Supply Current:\u003c\/strong\u003e 2A or greater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 2 (Left + Right Stereo)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Speakers:\u003c\/strong\u003e 30W–200W | 4Ω \/ 8Ω \/ 16Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Headphone Max Impedance:\u003c\/strong\u003e \u0026lt;32 Ohm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Bluetooth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Line Out (Audio Out)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003ePosition the board away from Wi-Fi routers to minimize wireless interference.\u003c\/li\u003e\n  \u003cli\u003eSupply voltage must remain between DC 12V–24V. Voltages exceeding 26V will damage the chip.\u003c\/li\u003e\n  \u003cli\u003eUse a power supply rated at 2A or more for optimal performance.\u003c\/li\u003e\n  \u003cli\u003eKeep speaker cables short — ideally within 1 meter.\u003c\/li\u003e\n  \u003cli\u003eAlways discharge static electricity from your hands before handling the board. The Bluetooth chip is sensitive to electrostatic discharge.\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 rating exceeds the amplifier's output power to maintain sound quality.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eExplore More Audio \u0026amp; DIY Tools\u003c\/h3\u003e\n\u003cp\u003eLooking for other project essentials? Check out our \u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e for precision assembly work, or browse the \u003ca href=\"\/products\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit\u003c\/a\u003e for all your hands-on building needs.\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 is the maximum output power of the YS-AP50L Bluetooth amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: At DC 24V supply voltage with a 4Ω speaker load, the YS-AP50L delivers over 50W per channel (50W+50W stereo). Output power scales with supply voltage — lower voltages such as 12V will produce less wattage per channel.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What Bluetooth version does the YS-AP50L amplifier board use, and what is its wireless range?\u003c\/h4\u003e\n\u003cp\u003eA: The YS-AP50L uses Bluetooth 5.1 for a stable, low-latency wireless connection. In open, unobstructed conditions, it achieves a transmission distance of up to 15 meters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What speakers are compatible with this digital amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The YS-AP50L is compatible with speakers rated between 30W and 200W at impedances of 4Ω, 8Ω, or 16Ω. For best results and to prevent overheating, it is recommended to use speakers with a rated power of 40W or higher.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is it safe to power this board with any DC power supply?\u003c\/h4\u003e\n\u003cp\u003eA: The board operates safely within DC 12V–24V. Never exceed 26V as this will permanently damage the chip. A power supply rated at 2A or more is recommended, and its total output capacity should exceed the amplifier's output power for the best audio quality.\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 maximum output power of the YS-AP50L Bluetooth amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"At DC 24V supply voltage with a 4Ω speaker load, the YS-AP50L delivers over 50W per channel (50W+50W stereo). 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