Personally, I use an integrated LM3886 obviously a Popular and saw a lot of applications in electronics store, most are cheap and low cost, using very few ingredients can make your amp with LM3886 Circuit-1: Amplifier circuit 50w power... Electronics Projects, LM3886 Amplifier Circuits Archive "audio amplifier circuits, ic amplifier, lm3886 amplifier circuit, " Date 2019/08/01