{"product_id":"sanpyl-dual-channel-bluetooth-amp-board-hifi-sound-50w-x-2","title":"Bluetooth 5.0 Amplifier Board TPA3116D2 Dual 50W - HiFi Output","description":"\u003cp\u003eIn this review the Bluetooth 5.0 Amplifier Board with the TPA3116D2 chip is evaluated for buyers seeking a compact, highpower amplifier module for DIY speakers and small systems. The bottom line: this board is best for hobbyists and DIY audio builders who want \u003cstrong\u003eclean, highpower stereo output\u003c\/strong\u003e and flexible inputs without a bulky receiver. It stands out for its thermal design and safety guards, delivering sustained performance with THD kept under 0.1% during extended use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eTPA3116D2 chip:\u003c\/strong\u003e Provides HiFi grade amplification with AM interference suppression for clearer mid and high frequencies.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e50W + 50W output:\u003c\/strong\u003e Dual channel power offers ample headroom for 4 to 8 ohm speakers and loudroom listening.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMultiple inputs:\u003c\/strong\u003e Builtin Bluetooth 5.0 plus AUX, USB flash drive and USB sound card options allow connection to phones, laptops and media drives.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide supply range:\u003c\/strong\u003e Operates from 5 to 24V so it can be used with common DC supplies and battery systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSafety protections:\u003c\/strong\u003e Overvoltage, undervoltage, overheat and short circuit guards reduce the risk of damage during use and improve reliability.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLarge heat sink:\u003c\/strong\u003e The substantial heat sink helps keep the amplifier stable during long listening sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe board suits DIY audio enthusiasts, hobbyists building bookshelf or custom enclosures, and anyone wanting to add Bluetooth and USB playback to passive speakers without replacing them. It is also a good fit for small home theater experiments or desktop setups where compact amplification and multiple input types matter.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who want a finished, plugandplay consumer receiver with remote control and cosmetic enclosure, or users who require extremely high wattage home theater amplification beyond 50W per channel.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eHigh fidelity performance from the \u003cstrong\u003eTPA3116D2\u003c\/strong\u003e chip with low THD for clean audio.\u003c\/li\u003e\n \u003cli\u003eFlexible connectivity with \u003cstrong\u003eBluetooth 5.0\u003c\/strong\u003e, AUX and USB inputs for varied sources.\u003c\/li\u003e\n \u003cli\u003eRobust protection features including overheat and short circuit guards for longer life.\u003c\/li\u003e\n \u003cli\u003eLarge heat sink and durable PCB construction that support sustained highpower operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot a finished product: it is a bare amplifier board, so buyers need to provide power, enclosure and speaker wiring.\u003c\/li\u003e\n \u003cli\u003eLimited to 50W per channel which may be insufficient for very large speaker systems or pro audio use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2 with AM interference suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eVersion 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e50W x 2 (dual channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInput Methods\u003c\/td\u003e\n\u003ctd\u003eBluetooth, AUX, USB flash drive, USB sound card\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplicable Speakers\u003c\/td\u003e\n\u003ctd\u003e4-8 ohm; 10-200W suggested speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplicable Power Supply\u003c\/td\u003e\n\u003ctd\u003e5-24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOvervoltage, undervoltage, overheat, short circuit, anti static\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Bluetooth 5.0 Amplifier Board with the TPA3116D2 chip is a strong value for DIYers who want \u003cstrong\u003ereliable, highquality stereo power\u003c\/strong\u003e with flexible input options. It combines sensible safety features and a large heat sink to deliver stable performance, making it a practical choice for custom speaker projects and small systems where space and cost matter.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this board drive bookshelf speakers?\u003c\/strong\u003e\u003cbr\u003eThe board is suitable for 4 to 8 ohm bookshelf speakers and can deliver usable loudness up to its 50W per channel rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does it need?\u003c\/strong\u003e\u003cbr\u003eIt accepts a DC supply from 5 to 24V; choose a stable supply that can provide adequate current for your speaker load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include protections?\u003c\/strong\u003e\u003cbr\u003eYes, the board includes overvoltage, undervoltage, overheat and short circuit guards plus antistatic and power reverse connection protection.\u003c\/p\u003e","brand":"Sanpyl","offers":[{"title":"Default Title","offer_id":46767066054875,"sku":"B0D1ZF5WV7","price":19.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61nYTqPWhBL._AC_SL1500.jpg?v=1747854378","url":"https:\/\/gearmusthave.com\/products\/sanpyl-dual-channel-bluetooth-amp-board-hifi-sound-50w-x-2","provider":"GearMustHave","version":"1.0","type":"link"}