---
title: AVError.Code.externalSyncDeviceFrequencyLowerThanSpecified
framework: AVFoundation
role: symbol
role_heading: Case
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+]
path: avfoundation/averror-swift.struct/code/externalsyncdevicefrequencylowerthanspecified
---

# AVError.Code.externalSyncDeviceFrequencyLowerThanSpecified

## Declaration

```swift
case externalSyncDeviceFrequencyLowerThanSpecified
```