TDA1554 amplifier circuits made ​​in the previous post was shared with more flexible PCB design this circuit TDA1554 prepared accordingly asks the integrated 4 × 11 watts of output you want 4 2 outputs can be used as 2... Electronics Projects, TDA1554 4X11W Amplifier Circuit 2X22 W "audio amplifier circuits, ic amplifier, " Date 2014/06/22