---
title: currentHardwareInputNumberOfChannels
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosession/currenthardwareinputnumberofchannels
---

# currentHardwareInputNumberOfChannels

The number of audio hardware input channels.

## Declaration

```swift
var currentHardwareInputNumberOfChannels: Int { get }
```

## See Also

### Inspecting audio hardware

- [currentHardwareOutputNumberOfChannels](avfaudio/avaudiosession/currenthardwareoutputnumberofchannels.md)
- [currentHardwareSampleRate](avfaudio/avaudiosession/currenthardwaresamplerate.md)
- [inputIsAvailable](avfaudio/avaudiosession/inputisavailable.md)
- [preferredHardwareSampleRate](avfaudio/avaudiosession/preferredhardwaresamplerate.md)
- [setPreferredHardwareSampleRate(_:)](avfaudio/avaudiosession/setpreferredhardwaresamplerate(_:).md)