---
title: kIOAudioPortTypePassThru
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646420-anonymous/kioaudioporttypepassthru
---

# kIOAudioPortTypePassThru

## Declaration

```occ
kIOAudioPortTypePassThru = 'pass'
```