Features

 Simplified external components

 Treble and bass control

 Loudness control

 Selectable gain inputs for 3 stereo speakers

 Input/output system with reduced external noise

 Independent control for 4 speakers with balanced front, rear, left, and right sides

 Independent mute function

 Volume control in 1.25dB increments

 Low distortion

 Low DC level drift

 Controllable via microprocessor serial bus I/O interface