{"product_id":"dayton-audio-kab-215v2-2-x-15w-bluetooth-amplifier-board-efficient","title":"Dayton Audio KAB-215v2 2 x 15W Bluetooth Amplifier Board - Efficient","description":"\u003cp\u003eIn this review the Dayton Audio KAB-215v2 is examined as a compact, efficient amplifier board for DIY audio projects and small powered speaker systems. The bottom line: this board is for builders who want reliable, hi-fi sound with an integrated Bluetooth 5.0 receiver and minimal fuss. The key selling point is the highly efficient AD82110 Class D amplifier chip that delivers two channels of 15 watts while running cool enough to avoid a heat sink, making it especially useful for battery-powered or space-constrained designs.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Bluetooth 5.0:\u003c\/strong\u003e Built-in wireless connectivity removes the need for a separate module and simplifies sourcing for a compact build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency Class D amp:\u003c\/strong\u003e The AD82110 chip runs at about 90% efficiency, reducing power draw and heat for longer battery playtime and smaller enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x 15W output:\u003c\/strong\u003e Provides enough power for bookshelf speakers or desktop systems while keeping distortion low for clear sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-install wiring:\u003c\/strong\u003e Included power and speaker output cables and wire harnesses enable quick installation with no soldering required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible power options:\u003c\/strong\u003e Separate ports for battery power or direct DC input let builders choose portable or mains-powered setups without modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe KAB-215v2 suits hobbyists building small stereo speakers, desktop audio rigs, or portable systems who value simple setup and integrated Bluetooth. Its efficient Class D design is particularly attractive for battery-powered projects and installations where space and heat dissipation are limited.\u003c\/p\u003e\n\u003cp\u003eLess suitable are users needing very high power for large floor-standing speakers, or those who need a full-featured preamp with multiple analog inputs and tone controls. If a built-in DAC with digital inputs is required, a different board would be a better fit.\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\u003eIntegrated \u003cstrong\u003eBluetooth 5.0\u003c\/strong\u003e eliminates the need for extra wireless parts and reduces build complexity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency\u003c\/strong\u003e AD82110 Class D amp keeps the board cool and extends battery run time.\u003c\/li\u003e\n\u003cli\u003eIncluded cables and wire harnesses make installation quick and solder-free for rapid prototyping.\u003c\/li\u003e\n\u003cli\u003eSeparate power ports provide flexible powering options for both portable and stationary use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to \u003cstrong\u003e2 x 15W\u003c\/strong\u003e output, so it is not suitable for driving large, power-hungry speaker systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDayton Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier chip\u003c\/td\u003e\n\u003ctd\u003eAD82110 Class D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e2 x 15W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 built in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eIncludes power and speaker cables, wire harnesses, no soldering required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower options\u003c\/td\u003e\n\u003ctd\u003eSeparate battery and direct DC input ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Dayton Audio KAB-215v2 is a strong choice for DIYers and small-system builders who want reliable stereo power with integrated Bluetooth and minimal setup work. Its efficient AD82110 Class D design and included harnesses deliver good sound and simple installation, making it good value for compact or battery-powered projects.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this board include Bluetooth or require a separate module?\u003c\/strong\u003e\u003cbr\u003eThe board includes a built-in Bluetooth 5.0 module, so no separate wireless module is needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be powered from batteries?\u003c\/strong\u003e\u003cbr\u003eYes, the board has a separate port for battery powering as well as a direct DC input for adapter use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it run hot under normal use?\u003c\/strong\u003e\u003cbr\u003eThanks to the high efficiency of the AD82110 Class D chip, the board runs cool and does not require a heat sink for typical small-system use.\u003c\/p\u003e","brand":"Dayton Audio","offers":[{"title":"Default Title","offer_id":46755475063003,"sku":"B09T3RK9X8","price":23.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81-b8NShwsL._AC_SL1500.jpg?v=1747854390","url":"https:\/\/gearmusthave.com\/products\/dayton-audio-kab-215v2-2-x-15w-bluetooth-amplifier-board-efficient","provider":"GearMustHave","version":"1.0","type":"link"}