This is a Subwoofer amplifier using the TDA2030 IC. This circuit can make 15+30+15 watts of output. It needs 12-0-12 voltage and 3 amperes. The input is 2.0, and the output is 2.1. Left speaker, Right speaker, and the subwoofer speaker output. Here are 3 adjustable volumes. 1st one for the master, 2nd one for … Continue reading Subwoofer amplifier using TDA2030