A simple STEREO amplifier, with minimal external components. It use one only opamp., that is capable to give output power 2X5W in the 4 ohms, with distortion 0.5%. The capacitor C5, it should Its placed near in pins the IC1. IC1 should be placed on heatsink.
circuit from http://users.otenet.gr/~athsam/power_amplifier_2x5w_with_tda1516Q.htm