The AV receivers are consumer electronics components demanded for a home theater. These systems are meant to obtain video &audio signals from several sources. Also, these receivers can process them and offer power amplifiers to drive loudspeakers. Offered music modules can be combined with video projector, television, monitor etc.Basically, these systems amplify the sound so that the music can be fed to the speakers. Users can also select the video and audio they want to watch. Plus, users can switch from a DVD to free-to-air TV, with mere a touch of button.