{"product_id":"2-x-50w-class-d-bluetooth-stereo-hifi-amplifier-board-tsa3118","title":"2 x 50W Class D Bluetooth Stereo HiFi Amplifier Board - TSA3118","description":"\u003cp\u003eIn this review the TinySine TSA3118 proves to be a compact, no-nonsense board for anyone building or upgrading a small Hi-Fi or multi-room setup. The bottom line: it delivers reliable \u003cstrong\u003e2 x 50W\u003c\/strong\u003e output from a class-D design and convenient Bluetooth pairing, making it a sensible choice for hobbyists and installers who want clean power and wireless audio without fuss. Setup is straightforward and the board is flexible about power sources, so it fits projects where space and budget matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-D architecture:\u003c\/strong\u003e Based on TPA3116D2 the board gives efficient, low-heat amplification well suited to sealed enclosures and continuous use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x 50W output:\u003c\/strong\u003e Each channel provides 50W of nominal power so it can run two speakers or drive four if bridged appropriately across channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide DC input range:\u003c\/strong\u003e Accepts DC 10V-24V which lets you power it from many common adapters or battery systems for flexible installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 4.0 pairing:\u003c\/strong\u003e The AudioB module appears as TSA3118 with no PIN required, enabling quick streaming from phones and computers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker compatibility:\u003c\/strong\u003e Designed to drive 4 or 8 passive speakers, making it useful for compact Hi-Fi, desktop, or small room audio setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis board is aimed at DIY audio builders, hobbyists, and installers who need a compact amplifier with wireless input and reliable continuous power. It works well in small bookshelf systems, desktop rigs, soundbars, and multi-room installs where a simple Bluetooth source and efficient class-D amplification are desirable.\u003c\/p\u003e\n\u003cp\u003ePeople who want a finished consumer amplifier with enclosure, remote control, or advanced DSP should look elsewhere; this product is a bare board best suited to those comfortable with wiring speakers and providing a suitable DC supply. It is not a full consumer-ready unit with a built-in case or display.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClean, efficient \u003cstrong\u003eclass-D\u003c\/strong\u003e design keeps heat and power draw low during long sessions.\u003c\/li\u003e\n\u003cli\u003eConvenient \u003cstrong\u003eBluetooth\u003c\/strong\u003e pairing with no PIN makes streaming quick from phones or PCs.\u003c\/li\u003e\n\u003cli\u003eFlexible power input of DC 10V-24V supports a range of adapters and battery solutions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold as a bare board so it requires external mounting, wiring, and a power supply for safe use.\u003c\/li\u003e\n\u003cli\u003eNo advanced onboard controls or display beyond Bluetooth and basic inputs, so additional components may be needed for refined control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTSA3118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e2 x 50W nominal per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd\u003eClass-D (based on TPA3116D2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eAudioB module, Bluetooth 4.0, appears as TSA3118\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC 10V-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Load\u003c\/td\u003e\n\u003ctd\u003eCompatible with 4 or 8 passive speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe TSA3118 is a practical, value-oriented amplifier board for DIY audio projects and small Hi-Fi installations. With \u003cstrong\u003ereliable 2 x 50W\u003c\/strong\u003e outputs, wide DC input tolerance, and easy Bluetooth pairing, it gives good performance for the price as long as you are prepared to handle external wiring and mounting. It is a smart choice when efficiency, Bluetooth convenience, and straightforward power are the priorities.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this board be powered by a 12V car battery?\u003c\/strong\u003e\u003cbr\u003eYes; the amplifier accepts DC 10V-24V so a 12V car battery or regulated 12V adapter will power it provided connections are secure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Bluetooth module require a PIN?\u003c\/strong\u003e\u003cbr\u003eNo; the AudioB Bluetooth module shows up as TSA3118 and pairs without a PIN for quick streaming from phones and computers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it drive multiple passive speakers?\u003c\/strong\u003e\u003cbr\u003eYes; the board is designed to drive 4 or 8 passive speakers, but ensure speaker impedance and wiring match your setup.\u003c\/p\u003e","brand":"TinySine","offers":[{"title":"Default Title","offer_id":46759958380763,"sku":"B0757JJQRJ","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61hDRsJ0MnL._AC_SL1000.jpg?v=1747854895","url":"https:\/\/gearmusthave.com\/products\/2-x-50w-class-d-bluetooth-stereo-hifi-amplifier-board-tsa3118","provider":"GearMustHave","version":"1.0","type":"link"}