.
STK4050 - AF Power Amplifier (Split Power Supply) (200W min / THD = 0.4%)
STK4050XI - AF Power Amplifier
STK4050V - AF Power Amplifier
STK4050II - AF Power Amplifier
STK405-050A - (STK405-xxxA) STK Audio Power Amplifier
STK405-050 - 2ch AF Power Amplifier (Split Power Supply) 20W + 20 W min / THD =10%
