---
title: globalGain
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiouniteq/globalgain
---

# globalGain

The overall gain adjustment that the audio unit applies to the signal, in decibels.

## Declaration

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

## Discussion

Discussion The default value is 0 db. The valid range of values is -96 db to 24 db.

## See Also

### Getting and setting the equalizer values

- [AVAudioUnitEQFilterParameters](avfaudio/avaudiouniteqfilterparameters.md)
- [bands](avfaudio/avaudiouniteq/bands.md)