---
title: kMIDIPropertyIsMixer
framework: coremidi
role: symbol
role_heading: Global Variable
path: coremidi/kmidipropertyismixer
---

# kMIDIPropertyIsMixer

A Boolean value that indicates whether the device or entity mixes external audio signals.

## Declaration

```swift
let kMIDIPropertyIsMixer: CFString
```

## See Also

### Roles

- [kMIDIPropertyIsSampler](coremidi/kmidipropertyissampler.md)
- [kMIDIPropertyIsEffectUnit](coremidi/kmidipropertyiseffectunit.md)
- [kMIDIPropertyIsDrumMachine](coremidi/kmidipropertyisdrummachine.md)