TDA1562Q integrated with the quality and output power will be longer as popular had previously shared different applications. In this application, a 70-watt subwoofer for bass amp circuit made​​. Bass TL072 opamp to control the input filter based on... Electronics Projects, 70W Subwoofer Amplifier Circuit TDA1562Q Bass PCB "audio amplifier circuits, ic amplifier, " Date 2019/08/02