12v car amplifier circuit

12v amplifier circuit board for car subwoofer

This is an easy and simple subwoofer amplifier circuit.

It uses TDA1516 Ic.i have made this and tested myself for 3,4 times.always i success without any issues.also i did it without using a PCB. You can see the diagram.there are only 1 exteral components. (c1). C2 and c3 can remove if you use a smooth power supply.

S1 is a switch to turn on stanby mode.you can remove switch if no need standby mode.

This is a 20W rms amplifier .

Can power up with a 12v supply. Can use car battery directory. 

Audio In should be connected to audio output in your player.polarity not an issue in this case.