Specification: Item Type: Digital Power Amplifier Board_x000D_Material: PCB_x000D_Chip: TDA7498_x000D_Voltage: DC 8V to 32V_x000D_Output Power: 2 x 100W_x000D_Operating Efficiency: 90%_x000D_Frequency Response: 20Hz-20kHz Features: 1TDA7498: Sound amplifier board uses the powerful TDA7498 power amplifier chip with excellent sound quality and can run for a long time. 2Output Power: Digital power amplifier board is a dual channel stereo board with 100W and 100W output power to ensure stable output. 3Power Supply Range: Dual channel stereo board is wide supply voltage, DC 8V to 32V power supply, can be driven by a variety of power supplies. 4High Efficiency: Sound amplifier board has an efficiency of up to 90%, and the amplification effect is obvious and perfect for speakers. 5Durable: Stereo sound amplifier board is made of premium PCB and electronic components, so it is more durable. PackageList: 1 x Power Amplifier Board 1 x Power Cord