Amplifier Auto Power ON

Signal detecting auto power-on unit, audio signal controlled relay switch module, amplifier auto power on, audio sensing power switch, audio detector switch, audio signal detector circuit, line level audio detection circuit, audio triggered power switch

part : BC547 , BC557, LM358, Relay

signal detecting auto power-on unit, audio signal controlled relay switch module, amplifier auto power on, audio sensing power switch, audio detector switch, audio signal detector circuit, line level audio detection circuit, audio triggered power switch

Audio signal controlled relay switch – power ON