Note: Components may vary slightly from batch to batch, but functional performance remains the same. Specification: Item Type: Amplifier Board_x000D_Material: PCB_x000D_Input: DC12V-24V_x000D_Output: 100W (Connected to 2 Speakers) Features: 1[High Power] Small size design of digital power amplifier board, BTL output, high output power of 100W, can drive 2 ohm speakers. 2[Stable Performance] Digital power amplifier module adopts balanced (differential) input, and the external cooling chip works more stably. 3[Default State] Sound power amplifier board module power distribution short circuit cover, the factory default is working state. 4[Mute Control] When the sound power amplifier board needs mute control, remove the short circuit cover and control it externally. 5[High Quality Material] Power amp board adopts high quality PCB materials and components, easy to install, suitable for DIY speakers. PackageList: 1 xAmplifier Board