Features:
Operating Voltage Range: DC 12-24V(maximum voltage is no more than 24V).
Power-saving design, more than 90% power efficiency.
You can use a good switching power supply, laptop switching power supply and vehicle power supply.
Chip: Dual TPA3116 Chip, 50w+50w+100w Output Power,R & L Channal+Bass Channal.
Five Volume Potentiometer: Left and Right Channel Volume Knob, Bass Volume Knob, Bass Frequency Knob, Treble Volume Knob, Master Volume/Switch Knob.
Power on the default is BT mode.
When the BT mode is disconnected, press switch knob can switch to 3.5 AUX input mode.
When playing music, you can press switch knob to switch songs.
The board is a finished board, just connect the speaker box according to the diagram, connect the appropriate power source or the BT audio device or the audio source input, and it is ready to use.
Specifications:
Material: Metal
Color: Multicolor
Weight: 205g/7.2oz
Size: 10*8*2cm/3.9*3.1*0.8in
Package List:
1*TPA3116 2.1 Subwoofer Amplifier Board