TPA3116D2 2-1 Digital Power Amplifier Board 2x80W100WBass Audio Stereo AMP Module for Audio System DIY Speakers 12-26V

The amplifier board adopts two imported TPA3116D2 digital amplifier chip as the core,one piece as left and right channel power amplifier,other piece as pre-bridge driver with NE5532 subwoofer,with a small,high efficiency,high power characteristics. Product Name:2.1-channel audio amplifier board Chip Select:TPA31116D2*2 Supply Voltage: DC 12-24V Output Power: 50W*2+100W Subwoofer *1 Output Impedance:4~8? Frequency Range: 14~100Khz SNR:100db Number of Channels:3(Left Channel,Right Channel,Subwoodfer) Switching Frequency: 1.2MHz