---
title: HMCharacteristicValueInputDeviceType.audioSystem
framework: homekit
role: symbol
role_heading: Case
path: homekit/hmcharacteristicvalueinputdevicetype/audiosystem
---

# HMCharacteristicValueInputDeviceType.audioSystem

An audio system input device.

## Declaration

```swift
case audioSystem
```

## See Also

### Input devices

- [HMCharacteristicValueInputDeviceType.none](homekit/hmcharacteristicvalueinputdevicetype/none.md)
- [HMCharacteristicValueInputDeviceType.other](homekit/hmcharacteristicvalueinputdevicetype/other.md)
- [HMCharacteristicValueInputDeviceType.playback](homekit/hmcharacteristicvalueinputdevicetype/playback.md)
- [HMCharacteristicValueInputDeviceType.recording](homekit/hmcharacteristicvalueinputdevicetype/recording.md)
- [HMCharacteristicValueInputDeviceType.tuner](homekit/hmcharacteristicvalueinputdevicetype/tuner.md)
- [HMCharacteristicValueInputDeviceType.tv](homekit/hmcharacteristicvalueinputdevicetype/tv.md)