---
title: kHipassParam_CutoffFrequency
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/khipassparam_cutofffrequency
---

# kHipassParam_CutoffFrequency

## Declaration

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

## See Also

### Constants

- [kHipassParam_Resonance](audiotoolbox/khipassparam_resonance.md)