---
title: kMultiChannelMixerParam_Enable
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kmultichannelmixerparam_enable
---

# kMultiChannelMixerParam_Enable

Enables a channel.

## Declaration

```swift
var kMultiChannelMixerParam_Enable: AudioUnitParameterID { get }
```

## Discussion

Discussion Global scope. The value is a boolean: use 0 to disable the channel or 1 to enable the channel. The default value is 1.

## See Also

### Constants

- [kMultiChannelMixerParam_Pan](audiotoolbox/kmultichannelmixerparam_pan.md)
- [kMultiChannelMixerParam_PostAveragePower](audiotoolbox/kmultichannelmixerparam_postaveragepower.md)
- [kMultiChannelMixerParam_PostPeakHoldLevel](audiotoolbox/kmultichannelmixerparam_postpeakholdlevel.md)
- [kMultiChannelMixerParam_PreAveragePower](audiotoolbox/kmultichannelmixerparam_preaveragepower.md)
- [kMultiChannelMixerParam_PrePeakHoldLevel](audiotoolbox/kmultichannelmixerparam_prepeakholdlevel.md)
- [kMultiChannelMixerParam_Volume](audiotoolbox/kmultichannelmixerparam_volume.md)