Typical applications
Stereo car audio.
High-fidelity audio system.

Main features
Input multiplexing:
3 stereo inputs;
Selectable input gain to best adapt to different
sound source.
With loudness function.
Has volume control (1.25 dB steps).
Has treble and bass controls.
Has four speaker attenuators:
Four independent speakers for left and right balance and front and rear sound
Quantity control device;
Independent mute function.
via serial
The C bus can implement all functions of the program
control.