{"product_id":"yunseity-bluetooth-power-amplifier-2-channel-350w-audio-amp-with-treble-bass-control","title":"Bluetooth Power Amplifier Board with Subwoofer - 220W x2 HiFi Module","description":"\u003cp\u003eOur review of the Bluetooth Power Amplifier Board with Subwoofer finds it best suited for hobbyists and small home theater builders who need a compact, high-power amp board. The single biggest reason to consider this module is its power and flexibility: dual TPA3251 HiFi chips deliver up to \u003cstrong\u003e220W x 2\u003c\/strong\u003e with a peak 350W option while accepting a wide 12 to 38V input, making it easy to pair with common DC adapters or direct wiring for custom installs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual TPA3251 HiFi chips:\u003c\/strong\u003e Provides strong, clean amplification across both channels for fuller stereo sound and reliable output at high volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range:\u003c\/strong\u003e Accepts 12 to 38V input so it fits a variety of power sources and DIY setups without special converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreble and bass control:\u003c\/strong\u003e Built-in high pitch and bass knobs let users shape tone and add punch to low frequencies for a tailored listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple protection mechanisms:\u003c\/strong\u003e Includes short circuit, under voltage and over voltage protection to guard speakers and the module during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth and app functions:\u003c\/strong\u003e Allows APP control, renaming the BT device and setting a BT password, plus on\/off prompt sounds for convenient operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide compatibility:\u003c\/strong\u003e Works with most DC adapters on the market, and can be hardwired by connecting positive and negative power leads directly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis amplifier board is ideal for DIY audio enthusiasts building compact stereo systems, subwoofer enclosures or upgrading older receivers who need substantial power and tone controls in a small package. It is also useful for small venues or garage systems where flexible power options and Bluetooth input are priorities.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who want a finished, plug-and-play consumer product with a case, remote control and certified retail warranty; those buyers should look for a packaged amplifier. Also, if absolute audiophile-grade component matching and measured reference testing are required, a dedicated rack amplifier may be a better choice.\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\u003eHigh output capability with reliable dual TPA3251 chips for strong stereo power.\u003c\/li\u003e\n\u003cli\u003eFlexible 12 to 38V power input works with many DC adapters or direct wiring for custom projects.\u003c\/li\u003e\n\u003cli\u003eTone controls and Bluetooth app features let users tailor sound and manage connections easily.\u003c\/li\u003e\n\u003cli\u003eBuilt-in protection features increase durability in DIY installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModule is a bare board without an enclosure, so additional mounting and cooling considerations are required.\u003c\/li\u003e\n\u003cli\u003eNo included remote or full consumer finishing, which limits out-of-the-box convenience for non-technical users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYunseity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eTwo TPA3251 HiFi chips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower output\u003c\/td\u003e\n\u003ctd\u003e220W x 2 (up to 350W peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e12 to 38V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eTreble and bass knobs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eBluetooth, APP control, change BT name and password\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eShort circuit, under voltage, over voltage, reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Bluetooth Power Amplifier Board with Subwoofer is a strong value for DIYers and small system builders who need powerful stereo output and flexible power options. With dual TPA3251 chips, tone controls and multiple protections, it delivers a versatile platform for custom enclosures; buyers should plan for a case and basic installation work to get the best results.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does it need?\u003c\/strong\u003e\u003cbr\u003eUse a DC adapter or direct wiring within the 12 to 38V range; most common DC adapters meet the requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I control bass and treble?\u003c\/strong\u003e\u003cbr\u003eYes, the module includes high pitch and bass knobs to adjust tone and strengthen low-end impact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it protected against faults?\u003c\/strong\u003e\u003cbr\u003eYes, the board includes short circuit, under voltage and over voltage protection to help prevent damage.\u003c\/p\u003e","brand":"Yunseity","offers":[{"title":"Default Title","offer_id":46778579189979,"sku":"B0D7Q9F9BN","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71gPpBC396L._SL1500.jpg?v=1747854968","url":"https:\/\/gearmusthave.com\/products\/yunseity-bluetooth-power-amplifier-2-channel-350w-audio-amp-with-treble-bass-control","provider":"GearMustHave","version":"1.0","type":"link"}