This is the basic circuit of the 22 Watt Stereo Amplifier with IC TDA 1554. This circuit can be used for audio home amplifier and car audio amplifiers. It is extremely simple design, inexpensive and very easy to build. Even a newbie hobbyst will easy assemble this circuit.
This circuit requires a 12V supply voltage that can be make your own or direct from your car battery.
Parts list : R1 : 39K C1,C2 : 10uF C3 : 47uF C4 : 100uF C5 : 0.1uF C6 : 2200uF/16 V IC : TDA 1554