---
title: kAudioUnitSubType_AU3DMixerEmbedded
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiounitsubtype_au3dmixerembedded
---

# kAudioUnitSubType_AU3DMixerEmbedded

An audio unit in iOS that is a simplified version of the macOS kAudioUnitSubType_3DMixer audio unit. It can have any number of input buses and one output bus. Each input bus can be stereo or mono. The output bus is stereo.

## Declaration

```swift
var kAudioUnitSubType_AU3DMixerEmbedded: UInt32 { get }
```