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# preferredInputNumberOfChannels

The preferred number of input channels for the current route.

```
var preferredInputNumberOfChannels: Int { get }
```

## Discussion

The value of this property indicates the number of channels selected using the [`setPreferredInputNumberOfChannels(_:)`](/documentation/AVFAudio/AVAudioSession/setPreferredInputNumberOfChannels(_:)) method.

To determine the actual number of input channels, query the [`inputNumberOfChannels`](/documentation/AVFAudio/AVAudioSession/inputNumberOfChannels) property.

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