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Volume control knob for one or more channels (M=Mono (1), S=Stereo (2), Q=Quad (4), O=Oct (8)).

MGain, SGain, QGain and OGain are one, two, four and eight input/output modules that boost or attenuate their inputs. Use these contraptions to adjust the gain of an input or to apply the same amount of gain to a number of sources/channels patched into one *Gain contraption. *Gain contraptions also provide a Mute button for muting the output.

See the Adjusting Contraption Properties section for information about using sliders, knobs, presets etc.

Related Contraptions

Mixers category


MGain parameter editor window


Adjusts the gain of one or a series of inputs.



Mutes the output of all channels. Toggle this button on and off with the mouse.

Relevant Example Files

The following file provides an example of how MGain can be used:


To open the Example Files directory, go to the File menu, select Open, and double-click on the Examples folder. Read descriptions of the example files here.

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