| Audio signals | Control signals | Description |
|---|
| Single input single output mono-mono | Single input | Mono output equals the mono input multiplied by the control input |
| Single input single output mono-stereo | Single input | Both stereo output channels are equal to the mono input multiplied by the control input |
| Single input single output stereo-mono | Single input | Mono output equals the average of the stereo inputs multiplied by the control input |
| Single input single output stereo-stereo | Single input | Stereo output equals the stereo input multiplied by the control input |
