This product is a 2.1-channel active subwoofer speaker circuit board finished board, the maximum stereo power is 15W+15W, and the maximum bass channel is 30W. Wide DC voltage supply 12V-20V current 3A or more.

Product name: 2.1 channel active subwoofer power amplifier board

Power supply: DC12-20V, recommended DC15V 4A power adapter

Power interface: 5.5-2.5MM

Current: ≥3A

Speaker impedance: 4-8 ohm

Channel: 2.1

Output power: 15Wx2 (stereo) + 30W (subwoofer)

Size: 45*50MM

Potentiometer spacing: 21MM

Model Number: 8353761373

Package Include: 1 Pc x Subwoofer Amplifier Board