{"product_id":"makerhawk-bluetooth-amplifier-board-hifi-stereo-2-1-compact-power","title":"MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 - Compact Power","description":"\u003cp\u003eIn this review the MakerHawk Bluetooth Amplifier Board HiFi Stereo 2.1 is assessed for DIY audio builders and small home theater setups; the single biggest reason to buy is its combination of Class D TPA3116D2 performance and flexible inputs, delivering up to 2x50W for satellites plus 100W for a sub when powered correctly. The board's Bluetooth 5.0 and AUX inputs make it a practical 2-in-1 option for retrofitting older speakers or driving a compact 2.1 system, and the included shell and wiring hardware make initial installation straightforward for users comfortable with wiring and simple solderless terminals.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh fidelity Class D amp:\u003c\/strong\u003e The TPA3116D2 chip provides efficient, low-distortion amplification suitable for clear music playback at moderate volumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual inputs:\u003c\/strong\u003e Bluetooth 5.0 plus AUX input allow wireless streaming or direct wired connection for flexible source options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.1 channel outputs:\u003c\/strong\u003e Delivers separate left\/right channels and a driven subwoofer channel to support a full small home theater or desktop setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection mechanisms:\u003c\/strong\u003e Built-in short-circuit, thermal, overvoltage, undervoltage and DC detection protect the board and connected speakers during faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust connectors:\u003c\/strong\u003e Copper DC connector and fence type terminal tolerate higher currents and simplify wiring without heat damage to leads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTone controls:\u003c\/strong\u003e Bass, treble and volume knobs offer quick on-board adjustment to tailor sound without extra equalizers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis board suits DIY enthusiasts rebuilding old speaker systems, makers creating compact home theater or store playback systems, and anyone who needs a modest but punchy 2.1 amplifier with modern Bluetooth streaming. It is especially useful when paired with a decent power supply (12-24V, 5A or above) and speakers rated around 20-100W and 4-8 ohm impedance.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers seeking a plug-and-play finished receiver with extensive room correction or consumers who need guaranteed long-term reliability without occasional Bluetooth quirks; some users report mixed Bluetooth behavior and variable unit lifespans, so commercial installers may prefer a proven sealed unit.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood power density for size, supplying up to 50W per channel plus a 100W sub when powered adequately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0\u003c\/strong\u003e and AUX provide convenient source flexibility for modern and legacy devices.\u003c\/li\u003e\n\u003cli\u003eComprehensive protection features reduce risk of catastrophic failure during faults.\u003c\/li\u003e\n\u003cli\u003eIncludes mounting shell, connectors and hardware for faster installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report occasional muffled sound or feedback noise depending on speaker pairing and source quality.\u003c\/li\u003e\n\u003cli\u003eBluetooth may be difficult to fully disable on certain units and reported lifespan varies between samples.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eZK-TB21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2 Class D amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2.1 Stereo (L\/R + Sub)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003eMax 50W per L\/R channel, Max 100W subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e12-24V DC (recommended 5A+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 and AUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eShort circuit, thermal, over\/under voltage, DC detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe MakerHawk Bluetooth Amplifier Board is a strong value for DIYers and small home theater builders who want efficient Class D power, flexible Bluetooth 5.0 streaming and on-board tone controls. With proper power and matching speakers it delivers impressive output for its size; buyers who need absolute plug-and-play reliability or worry about Bluetooth quirks should research units and power options carefully before purchase.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat power supply is required?\u003c\/strong\u003e\u003cbr\u003eUse a stable 12-24V DC supply rated at 5A or higher to reach the board's rated outputs and avoid undervoltage protection triggers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it drive a passive subwoofer?\u003c\/strong\u003e\u003cbr\u003eYes; the board includes a dedicated subwoofer output rated up to 100W provided the sub impedance and power supply match the specification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs Bluetooth easily disabled?\u003c\/strong\u003e\u003cbr\u003eBluetooth is available for wireless sources, but some users report they cannot fully disable the Bluetooth receiver on certain units, so expect it to be active unless you physically modify or mute the module.\u003c\/p\u003e","brand":"MakerHawk","offers":[{"title":"Default Title","offer_id":46781342679259,"sku":"B08H1N7SSC","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61wtFIUU01L._SL1500.jpg?v=1747854772","url":"https:\/\/gearmusthave.com\/products\/makerhawk-bluetooth-amplifier-board-hifi-stereo-2-1-compact-power","provider":"GearMustHave","version":"1.0","type":"link"}