{"product_id":"100w-100w-bluetooth-amplifier-board-2-0-channel-stereo-compact-diy","title":"100W+100W Bluetooth Amplifier Board 2.0 Channel Stereo - Compact DIY","description":"\u003cp\u003eIn this review of the 100W+100W Bluetooth Amplifier Board, the bottom line is simple: it's a compact, affordable way to add clean stereo power to DIY speakers and small home theater projects. The reviewer found the single biggest reason to buy is the combination of the TPA3116D2-based amp chip and wide DC input range, which delivers solid \u003cstrong\u003e100w+100w output\u003c\/strong\u003e from common 9V to 24V adapters while keeping distortion low during extended use.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPA3116D2 chip:\u003c\/strong\u003e Provides clear sound with AM interference suppression and keeps total harmonic distortion under 0.1% during long runtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range:\u003c\/strong\u003e Runs from DC 5V to 24V so it can be powered by 9V, 12V, 15V, 19V or 24V supplies for flexible installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable connectors:\u003c\/strong\u003e Copper DC connectors and barrier terminal blocks handle high current without heating or damaging speaker wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual inputs:\u003c\/strong\u003e Bluetooth 5.0 wireless (password free) and 3.5mm wired input let users switch between near 49 ft wireless range and a wired source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection features:\u003c\/strong\u003e Built-in over temperature, short circuit, reverse connection, clipping and over\/undervoltage protection keep the amplifier and speakers safer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact cooling:\u003c\/strong\u003e A large heatsink and low-ripple capacitor array help maintain stable output under continuous high-power use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis amp suits hobbyists building DIY bookshelf or portable speakers, car audio tinkerers, and small home theater builders who need a compact stereo amplifier with reliable protection and flexible power options. The board is useful when a small footprint and strong heat dissipation are required.\u003c\/p\u003e\n\u003cp\u003eThose who need wireless features without pairing complexity will like the password-free Bluetooth connection, but audiophiles seeking premium DACs or ultra-low noise sources may prefer a higher-end integrated amplifier with separate digital inputs and larger chassis for additional shielding.\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 continuous power capability with \u003cstrong\u003e100w+100w\u003c\/strong\u003e output across a wide DC range.\u003c\/li\u003e\n\u003cli\u003eGood thermal design with a large heatsink and low-ripple capacitors for stable performance.\u003c\/li\u003e\n\u003cli\u003eConvenient wiring: DC jack, barrier terminals and printed interface labels speed installation.\u003c\/li\u003e\n\u003cli\u003eRobust safety features protect the board and connected speakers in adverse conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth range and performance can be affected if the board is placed near WiFi signals, so location matters.\u003c\/li\u003e\n\u003cli\u003eRequires a sufficiently powerful adapter; using an underpowered supply can cause distortion.\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\u003eZK-1002L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e100w + 100w\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 5V - 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003e4 - 8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd\u003eBT 5.0 (up to 15m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e69 x 53 x 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Items\u003c\/td\u003e\n\u003ctd\u003eProtective shell, DC jack with cable, screwdriver, knob, power block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe EPLZON 100W+100W Bluetooth Amplifier Board is a practical, value-oriented amp board for DIY speakers and small audio projects. With strong protection features, flexible power options and a low-distortion TPA3116D2 design, it delivers reliable stereo power when paired with an appropriate adapter and proper placement away from strong WiFi sources.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply should I use?\u003c\/strong\u003e\u003cbr\u003eUse a DC adapter with sufficient wattage at 9V to 24V depending on desired output; a supply rated for the combined speaker load prevents distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Bluetooth require a password?\u003c\/strong\u003e\u003cbr\u003eNo, the Bluetooth connection is password free and supports typical ranges up to about 49 ft in open space.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the board protected against faults?\u003c\/strong\u003e\u003cbr\u003eYes, it includes over temperature, short circuit, reverse polarity, clipping, overvoltage and undervoltage protection.\u003c\/p\u003e","brand":"EPLZON","offers":[{"title":"Default Title","offer_id":46770066751707,"sku":"B0DR26RLFT","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61SGkApLBjL._AC_SL1500.jpg?v=1747854387","url":"https:\/\/gearmusthave.com\/products\/100w-100w-bluetooth-amplifier-board-2-0-channel-stereo-compact-diy","provider":"GearMustHave","version":"1.0","type":"link"}