---
title: isSpatialAudioEnabled
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosessionportdescription/isspatialaudioenabled
---

# isSpatialAudioEnabled

A Boolean value that indicates whether the port supports spatial audio playback.

## Declaration

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

## Discussion

Discussion This property is only relevant in the context of ports that have a small number of hardware channels (typically 2), but have enhanced capabilities for playing multichannel content. When you create a “Now Playing” app, inform the system if the app supports multichannel audio content by using setSupportsMultichannelContent(_:). To detect changes in user preferences that affect spatial audio playback, register to receive the notification by using spatialPlaybackCapabilitiesChangedNotification. Some port types — like USB and HDMI — may support multichannel playback because they have hardware formats supporting more than 2 channels. For example, many HDMI receivers connect to many speakers and are capable of rendering 5.1, 7.1, or other popular surround sound formats. Use setPreferredOutputNumberOfChannels(_:) to set the preferred number of hardware channels, and query the number of channels by using maximumOutputNumberOfChannels. For more information about “Now Playing” apps, see Becoming a now playable app.

## See Also

### Getting the Port Attributes

- [portName](avfaudio/avaudiosessionportdescription/portname.md)
- [portType](avfaudio/avaudiosessionportdescription/porttype.md)
- [AVAudioSession.Port](avfaudio/avaudiosession/port.md)
- [channels](avfaudio/avaudiosessionportdescription/channels.md)
- [AVAudioSessionChannelDescription](avfaudio/avaudiosessionchanneldescription.md)
- [uid](avfaudio/avaudiosessionportdescription/uid.md)
- [hasHardwareVoiceCallProcessing](avfaudio/avaudiosessionportdescription/hashardwarevoicecallprocessing.md)