<!--
{
  "availability" : [
    "iOS: 18.0.0 -",
    "iPadOS: 18.0.0 -",
    "macCatalyst: 18.0.0 -",
    "macOS: 15.0.0 -",
    "tvOS: 18.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFoundation",
  "identifier" : "/documentation/AVFoundation/AVCaptureDeviceInput/isMultichannelAudioModeSupported(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "AVFoundation"
    ],
    "preciseIdentifier" : "c:objc(cs)AVCaptureDeviceInput(im)isMultichannelAudioModeSupported:"
  },
  "title" : "isMultichannelAudioModeSupported(_:)"
}
-->

# isMultichannelAudioModeSupported(_:)

A Boolean value that indicates whether the input supports the specified multichannel audio mode.

```
func isMultichannelAudioModeSupported(_ multichannelAudioMode: AVCaptureMultichannelAudioMode) -> Bool
```

## Parameters

`multichannelAudioMode`

The multichannel audio mode to test.

## Return Value

<doc://com.apple.documentation/documentation/Swift/true> if the input supports the mode; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## Discussion

You can only set the [`multichannelAudioMode`](/documentation/AVFoundation/AVCaptureDeviceInput/multichannelAudioMode) property if the input supports the value.

> Note:
> Multichannel audio modes aren’t supported when used in with ``doc://com.apple.avfoundation/documentation/AVFoundation/AVCaptureMultiCamSession``.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)