This circuit uses a not easy to find IC these days. The circuit sources 15 W to a 4 ohm load and has a 40 db voltage gain. The THD is only 0,2% and input impedance is 120 k ohm. Power can be sourced from 9 to 32 V (1.5 A) and the IC must be mounted on a large heatsink.
15 W Amplifier using the TDA3000
