---
title: kBandpassParam_Bandwidth
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kbandpassparam_bandwidth
---

# kBandpassParam_Bandwidth

## Declaration

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

## See Also

### Constants

- [kBandpassParam_CenterFrequency](audiotoolbox/kbandpassparam_centerfrequency.md)