3X(Product name: 2.1 channel subwoofer amplifier board
Supply voltage: 12-20V DC
Supply current: 3-5A
Maximum : 2*25W+50W 8 ohm
Minimum : 2*15W+30W 4-8 ohm

Bluetooth version: 5.0
Channel: 2.1
Job type: Class D
Product size: 96x48mm
Colour: black + blue
Material: PCB + metal

Package Contents:
1 * Bluetooth amplifier board
1 * DC female cable
1 * USB cable
1 * Remote control)