TPA3221 Bluetooth Power Amplifier Board 2*100W+200W 2.1 Ch Class D USB Sound Card Subwoofer Theater Audio Stereo Equalizer Amp

Product Name:    Bluetooth TPA3221 AMP

AMP Chip:          2*TPA3221  Output Power:    2*100W + 200W Power Supply:    DC12-30V Impedance:       4-8ohm Work Type:        Class D Audio Input:    Bluetooth / AUX / USB Channels:        2.1

Package 1 amplifier