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