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# AudioHardwareDevice

Instances of the AudioHardwareDevice class encapsulate individual audio devices. An audio
device serves as the basic unit of IO. AudioHardwareDevice provides properties and methods
to access and manipulate a device’s state and run IO.

```
class AudioHardwareDevice
```

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

### Inherited By

[`AudioHardwareAggregateDevice`](/documentation/CoreAudio/AudioHardwareAggregateDevice)

### Inherits From

[`AudioHardwareClock`](/documentation/CoreAudio/AudioHardwareClock)

---

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