---
title: currentHardwareSampleRate
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosession/currenthardwaresamplerate
---

# currentHardwareSampleRate

The audio hardware sample rate, in hertz.

## Declaration

```swift
var currentHardwareSampleRate: Double { get }
```

## Discussion

Discussion Obtain the value of this property after activating your audio session. After successful activation, the value of this property doesn’t change while your session remains active.

## See Also

### Inspecting audio hardware

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