Native Instruments MASCHINE MK3 Manual page 675

Parameter
DEPTH Section
Amount
Curve
Turbo
The Maximizer on the controller: MAIN page.
Side-Chain Input Page
The Maximizer in the Control area: Side-Chain Input page.
Description
This parameter is used to adjust the amount of the Maximizer
effect. Turn the knob clockwise to increase the loudness of the
signal.
Controls the compression knee; higher values tend to result in
faster and more aggressive gain control.
Turbo intensifies the effect the Maximizer has on the signal by
causing the maximizing algorithm to be applied twice.
Effect Reference
Dynamics
MASCHINE - Manual - 675