Audio Crossover Circuit using Switch ON / Switch OFF .
Audio hi fi booster circuit ,Voice will be smaller when the IC TL072 not Enable or switch “OFF“
Hi–Fi Audio Power Circuit Diagram

Audio Crossover Circuit using Switch ON / Switch OFF
How to make Audio power Amplifier and Repairing
Audio hi fi booster circuit ,Voice will be smaller when the IC TL072 not Enable or switch “OFF“
Hi–Fi Audio Power Circuit Diagram
Audio Crossover Circuit using Switch ON / Switch OFF