Product Name: 4 channel Bluetooth 5.0 power amplifier board
Product model: XH-A310
Input voltage: DC12-24V
Working Current: more than 5A
Output power: Bass100Wx2+50WX2
Audio input: Bluetooth, 3.5mm AUX
Bluetooth Version:5.0
Amplifier Chip:TPA3116D2 X2
Number of channels: Two channels + Two Subwoofer 
Size: 167*120*38MM