Operating voltage range: DC 12-24V(maximum voltage is no more than 24V); built-in TPA3116 amplifier chip; LED indicator; logical and delicate circuit layout; ON/OFF volumn adjustment knob. With 3.5mm audio input jack and 3-pin audio input port; 3 wiring columns(Left - for left channel output 10-100W; Middle - DC 12-24V power supply; Right - right channel output 10-100W). Dual output channel, the maximum output power can reach 100W 100W; this digital audio amplifier board applies to laptop power supply; battery and vehicle battery(DC 12-24V, power supply which more than 100W is recommended). Perfect size of the amplifier board which will not take you too much room and it is easy to install.

Operating voltage range: DC 12-24V(maximum voltage is no more than 24V); built-in TPA3116 amplifier chip; LED indicator; logical and delicate circuit layout; ON/OFF volumn adjustment knob. With 3.5mm audio input jack and 3-pin audio input port; 3 wiring columns(Left - for left channel output 10-100W; Middle - DC 12-24V power supply; Right - right channel output 10-100W). Dual output channel, the maximum output power can reach 100W 100W; this digital audio amplifier board applies to laptop power supply; battery and vehicle battery(DC 12-24V, power supply which more