{"product_id":"tpa3116d2-bluetooth-amplifier-board-dual-channel-50w-compact-power","title":"TPA3116D2 Bluetooth Amplifier Board Dual Channel 50W - Compact Power","description":"\u003cp\u003eOur review of the TPA3116D2 Bluetooth Amplifier Board finds it best suited for hobbyists and compact audio projects that need clear, reliable power without a large footprint. The board delivers a straightforward feature set centered on a \u003cstrong\u003e50W x2 output\u003c\/strong\u003e capability and Bluetooth audio reception, making it a solid choice for DIY speakers, small desktop systems, or retrofitting bookshelf speakers. Setup is simple for those comfortable with 12-24V DC wiring, and the unit's compact 73 x 66 x 16mm size lets it fit into tight enclosures while still providing respectable volume and fidelity.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 50W output:\u003c\/strong\u003e Provides two independent channels so small stereo systems can reach louder listening levels without an external receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide supply range:\u003c\/strong\u003e The DC 12-24V input makes it compatible with common power supplies and automotive or battery setups for flexible installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth audio receiver:\u003c\/strong\u003e Wirelessly streams music from phones and tablets to simplify playback when a wired source is inconvenient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard media playback:\u003c\/strong\u003e Built-in USB and TF card support allow standalone playback from storage devices, useful in installations without a paired phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e Measuring 73 x 66 x 16mm, the board fits inside small enclosures for neat DIY builds or upgrades to existing speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple controls:\u003c\/strong\u003e Prev\/V- and Next\/V+ buttons handle track navigation and long-press volume changes for intuitive local control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe board is ideal for electronics hobbyists, makers, and anyone building small stereo systems who needs a compact amplifier with wireless streaming and local playback. Its power output suits bookshelf speakers, small home audio projects, and desktop speaker enclosures where space is limited but higher output is desirable.\u003c\/p\u003e\u003cp\u003eThose seeking an integrated amplifier with tone controls, balanced inputs, or a built-in power supply should look elsewhere, since this board focuses on delivering solid amplifier performance and basic playback features rather than full preamp functionality.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClean, efficient \u003cstrong\u003e50W per channel\u003c\/strong\u003e output for compact stereo setups.\u003c\/li\u003e\n\u003cli\u003eFlexible DC 12-24V supply works with common adapters and battery systems.\u003c\/li\u003e\n\u003cli\u003eBluetooth plus USB\/TF playback provides multiple source options without extra equipment.\u003c\/li\u003e\n\u003cli\u003eSmall physical size simplifies installation into custom enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDoes not include a built-in power supply or advanced input selection; external power and wiring are required.\u003c\/li\u003e\n\u003cli\u003eNo tone controls or remote included, so fine adjustments must be made with connected source or external electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e50W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2 (Left, Right)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e1.2MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eAbout 20m (Bluetooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e73 x 66 x 16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe TPA3116D2 Bluetooth Amplifier Board is a practical, value-oriented option for DIY audio builders who need reliable \u003cstrong\u003e50W per channel\u003c\/strong\u003e amplification in a small package. It delivers wireless streaming and local USB\/TF playback while keeping installation flexible with a 12-24V supply, making it a smart pick for compact speaker projects where space and cost matter.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan the board run from a 12V car battery?\u003c\/strong\u003e\u003cbr\u003eYes, the amplifier accepts DC 12-24V, so it can operate from a 12V car battery or equivalent regulated supply with proper wiring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include a power adapter or enclosure?\u003c\/strong\u003e\u003cbr\u003eNo, the package includes only the TPA3116D2 board; a separate power supply and enclosure are required for most installations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow are volume and track controls handled?\u003c\/strong\u003e\u003cbr\u003eThe board has Prev\/V- and Next\/V+ buttons for track navigation and long-press volume adjustment, plus Bluetooth control from a paired device.\u003c\/p\u003e","brand":"Hailege","offers":[{"title":"Default Title","offer_id":46780146221275,"sku":"B08C4XFNJ1","price":11.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61L7RkE40vL._SL1010.jpg?v=1747854298","url":"https:\/\/gearmusthave.com\/products\/tpa3116d2-bluetooth-amplifier-board-dual-channel-50w-compact-power","provider":"GearMustHave","version":"1.0","type":"link"}