This is a surround power amplifier circuit using IC TDA7375. Surround Amplifier easy and simple to make, you just need some component such as Resistor , Capacitor, and IC. Input for this amplifier have 4 Four input and output it's L ( Left ), R ( Right ), SL ( Surround Left ), SR ( Surround Right ). Voltage Supply for this Surround Amplifier need about 15 Volt DC.
|Surround Amplifier circuit using TDA7375|
If the Surround Amplifier Circuit finish assembly and ready to amplify the signal, Connect each ground input and output L ( Left ), R ( Right ), SL ( Surround Left ), SR ( Surround Right ) you can use one ground to 4 four input or output.