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# AVAudioUnitDistortion

An object that implements a multistage distortion effect.

```
class AVAudioUnitDistortion
```

## Topics

### Configuring the distortion

[`loadFactoryPreset(_:)`](/documentation/AVFAudio/AVAudioUnitDistortion/loadFactoryPreset(_:))

Configures the audio distortion unit by loading a distortion preset.

[`AVAudioUnitDistortionPreset`](/documentation/AVFAudio/AVAudioUnitDistortionPreset)

Constants that represent preset audio distortions.

### Getting and setting the distortion values

[`preGain`](/documentation/AVFAudio/AVAudioUnitDistortion/preGain)

The gain that the audio unit applies to the signal before distortion, in decibels.

[`wetDryMix`](/documentation/AVFAudio/AVAudioUnitDistortion/wetDryMix)

The blend of the distorted and dry signals.


---

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