Subwoofer Amplifier Circuit Diagram with 30W Output power

This is a simple project of Subwoofer Amplifier Circuit Diagram with 30W Output power. This circuit with 30w output Power circuit. This Amplifier circuit is very suitable for use in subwoofer amplifier system based on IC SI1030G. Amplifier has 30W output with 8 ohm impedance. Supply voltage required minimum of 12 volts and a maximum of up to 22 volts DC.

Simple Subwoofer Amplifier Circuit Diagram with 30W Output power
 

Parts List

R1 = 100K
R2 = 1R
C1 = 2.2uF
C2 = 100uF
C3 = 47uF
C4 = 100nF
C5 = 10uF
C6 = 47uF
C7 = 100uF
IC = SI1020GL , SI1030G