The TDA7294 is a Hi-Fi amplifier and can give 100W RMS but with 10%
distortion. Supplying 30 Volts you can have 50 Watts RMS with 1%
distortion. Frequency range start at 16Hz and can reach 100KHz. Make
sure you are using good heatsink. The chip supports mute function as
well.
50W Hi-Fi amplifier Circuit Diagram
A symmetrical 30V power supply is all its need to power the unit.
