---
title: isInputGainSettable
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosession/isinputgainsettable
---

# isInputGainSettable

A Boolean value that indicates whether you can set the input gain.

## Declaration

```swift
var isInputGainSettable: Bool { get }
```

## Return Value

Return Value Returns true if the device allows input gain to be changed, otherwise false.

## Discussion

Discussion Not all devices support variable gain; check this property before attempting to set the input gain.

## See Also

### Setting input gain

- [inputGain](avfaudio/avaudiosession/inputgain.md)
- [setInputGain(_:)](avfaudio/avaudiosession/setinputgain(_:).md)