Attack/Release: Sets the time (in ms) for the onset and decay of compression.

Threshold: Sets the volume (in dB) at which compression begins.

Ratio: Sets the ratio of input/output level.

Makeup: Adjust the signal level to compensate for any gain reduction.

Sidechain: Toggles sidechain on/off.

Sidechain Key: Selects which Sample Key or Layer feeds into the sidechain compressor input.

Input: Adjust gain amount of sidechain.

Filter On/Off & LP/HP: Toggle filter Low Pass/High Pass for the Side chain signal.

Cutoff: Sets the cutoff frequency of the sidechain filter.