STK4241 stereo 120 watt amp circuit

In this stereo 120 watt amp circuit schematic is presented a high power audio amplifier based on the STK4241 high power audio amplifier IC used in many audio systems .
Because of high output power capability low distortion and external few components required STK4241 stereo 120 watt amp circuit is ideal for use in high power audio amplifiers .
STK4241 can deliver maxim 2x120w on two channels(120 watts on each channel stereo mode ) .
For this STK4241 power amplifier we need a 55 volts dual power supply in configuration like in schematic bellow .

Main features of The STK4241 circuit are : muting circuit built-in to isolate all types of shock noise , current mirror circuit for low 0.08% total harmonic distortion , pin compatible with the STK4201II series and the STK4141X series , high output power , low distortions .
This IC has many build in features and offers high output power using few external components but the major disadvantage of this amplifier IC is that it has no build-in protections features , which means that if you want to protect your amplifier you need to build a protection circuit separately .