{"product_id":"parts-express-tps3116d2-class-d-2-1-bluetooth-amplifier-board","title":"Parts Express TPS3116D2 Class D 2.1 Bluetooth Amplifier Board","description":"\u003cp\u003eOur review of the Parts Express TPS3116D2 finds it best suited for DIY builders and hobbyists who need a compact, powerful 2.1 amplifier board with modern connectivity. The single biggest reason to buy is the combination of Class D efficiency and Bluetooth 5.0 on a pre-assembled board that delivers 50W per satellite channel plus 100W to a mono subwoofer while offering on-board tone and crossover controls for quick tuning. It removes much of the guesswork for projects like portable speaker builds, car or boat audio upgrades, and small powered boombox designs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual satellite and sub power:\u003c\/strong\u003e Two 50W stereo channels plus a 100W mono sub output provide clear satellite presence and a powerful low end for compact enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 wireless:\u003c\/strong\u003e Built-in Bluetooth simplifies source pairing without an external receiver, making deployment faster for mobile or desktop projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible input and outputs:\u003c\/strong\u003e A 3.5 mm aux-in jack, DC power jack, and Phoenix speaker connectors allow quick hookup to common devices and wired speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-board tone and crossover controls:\u003c\/strong\u003e Master volume, treble, satellite volume, subwoofer volume, and a variable low-pass filter let you tune the system without extra parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide DC supply range:\u003c\/strong\u003e Runs from 12 to 24 VDC so it can be powered by small batteries, vehicle systems, or bench supplies for versatile use cases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-assembled and tested:\u003c\/strong\u003e Ships ready to install so builders spend time integrating the board instead of troubleshooting assembly issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis board is ideal for electronics hobbyists, DIY audio builders, and mobile audio tinkerers who want a compact 2.1 solution with both Bluetooth and adjustable tone control. It works well for small powered boombox projects, desktop speaker systems with a separate sub, and for upgrading existing enclosures where space and efficiency matter.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need full-featured consumer AV receivers with HDMI, room correction, or multiroom networking, and users who prefer an out-of-the-box finished speaker system rather than a bare amplifier board for integration.\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 power density with 2 x 50W and a 100W sub channel in a compact Class D design.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 on-board removes the need for a separate wireless receiver in many builds.\u003c\/li\u003e\n\u003cli\u003eMultiple control potentiometers and a low-pass filter make tuning the sound quick and intuitive.\u003c\/li\u003e\n\u003cli\u003ePre-assembled and pre-tested for faster, more reliable project integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs a bare board, it requires enclosure, cooling consideration, and wiring expertise to reach full performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e2.1 channel Class D amplifier board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSatellite power\u003c\/td\u003e\n\u003ctd\u003e50W per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubwoofer power\u003c\/td\u003e\n\u003ctd\u003e100W mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eWireless 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower input\u003c\/td\u003e\n\u003ctd\u003e12 to 24 VDC via DC jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e3.5 mm aux-in jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker connections\u003c\/td\u003e\n\u003ctd\u003ePhoenix speaker connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Parts Express TPS3116D2 is a strong value for DIYers who need a compact, efficient 2.1 solution with wireless capability and on-board tuning. Its power per channel, flexible 12 to 24 VDC supply, and pre-tested assembly make it easy to integrate into portable speakers or small home projects where tight space and clear bass are priorities.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this run from a car or battery?\u003c\/strong\u003e\u003cbr\u003eYes, the board accepts 12 to 24 VDC so it can be powered from vehicle systems or appropriate battery packs with proper wiring and fusing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include speaker terminals?\u003c\/strong\u003e\u003cbr\u003eYes, it uses Phoenix speaker connectors for quick and secure speaker wiring during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the low-pass filter adjustable?\u003c\/strong\u003e\u003cbr\u003eYes, a variable low-pass filter potentiometer is provided on-board to tailor subwoofer crossover frequency.\u003c\/p\u003e","brand":"Parts Express","offers":[{"title":"Default Title","offer_id":46764005294299,"sku":"B07FGFN8LD","price":34.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71xAbgHB-cL._AC_SL1500.jpg?v=1747854948","url":"https:\/\/gearmusthave.com\/products\/parts-express-tps3116d2-class-d-2-1-bluetooth-amplifier-board","provider":"GearMustHave","version":"1.0","type":"link"}