Specification: Item Type: Power Amplifier Board_x000D_Material: PCB_x000D_Working Voltage: DC12-26V_x000D_Output Power: 100W_x000D_Output Impedance: 2-8_x000D_Input Impedance: 10K_x000D_SNR: 100dB_x000D_Channel: 1 Channel Features: 1Parameters: Amplifier board working voltage is DC 12?26V; Output power is 100W; Channel: 1 Channel. 2Power Amplifier Chip: AMP board has TPA3116D2 power amplifier chip, more than 90% power efficiency and low idle loss. 3Large Heat Sink: Power amplifier surface adopts a large heat sink with an array structure, which makes it easier to dissipate heat. 4Surface Mount Inductors: 1 channel amplifier board surface mount inductors can filter noise, shield signals, and stabilize current. 5For Scenes: Ideal for DIY sound system, high power broadcast, home theater, street, shopping mall music playback sound amplification. PackageList: 1 x_x000D__x000D_MonoPowerAmplifierBoard