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# AVAudioStereoMixing

A protocol that defines stereo mixing properties a mixer uses.

```
protocol AVAudioStereoMixing : NSObjectProtocol, Sendable
```

## Overview> Important:
> The ``doc://com.apple.avfaudio/documentation/AVFAudio/AVAudioMixing`` protocol adopts this protocol. As a result, many classes also inherit this protocol by adopting `AVAudioMixing`.

## Topics

### Getting and Setting the Stereo Panning

[`pan`](/documentation/AVFAudio/AVAudioStereoMixing/pan)

The bus’s stereo pan.


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