<!--
{
  "documentType" : "article",
  "framework" : "AudioToolbox",
  "identifier" : "/documentation/AudioToolbox/1584143-audio_unit_manufacturer_identifi",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "Audio Unit Manufacturer Identifier"
}
-->

# Audio Unit Manufacturer Identifier

The Apple audio unit manufacturer code.

## Topics

### Constants

[`var kAudioUnitManufacturer_Apple: UInt32`](/documentation/AudioToolbox/kAudioUnitManufacturer_Apple)


---

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)