---
title: bandwidth
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiouniteqfilterparameters/bandwidth
---

# bandwidth

The bandwidth of the equalizer filter, in octaves.

## Declaration

```swift
var bandwidth: Float { get set }
```

## Discussion

Discussion The value range of values is 0.05 to 5.0 octaves.

## See Also

### Getting and Setting Equalizer Filter Parameters

- [bypass](avfaudio/avaudiouniteqfilterparameters/bypass.md)
- [filterType](avfaudio/avaudiouniteqfilterparameters/filtertype.md)
- [frequency](avfaudio/avaudiouniteqfilterparameters/frequency.md)
- [gain](avfaudio/avaudiouniteqfilterparameters/gain.md)