Comparing Aux Sends and Subgroups

Auxes and Subgroups share a common concept—they both provide a way for one or more tracks (or busses) to send their signal to a single bus so that common signal processing can be applied to the mix of their signals.

[Aux sends]{.dfn} leave the existing signal routing to the main mix in place, and are typically used to create a separate mix to send to (for example) monitors or headphones (for performer monitor mixes):

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[Subgroups]{.dfn} usually remove the original signal routing to the main mix and replace it with a new one that delivers the output of the subgroup bus to the main mix instead.

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