---
title: Mixer Audio Unit Properties
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1534041-mixer_audio_unit_properties
---

# Mixer Audio Unit Properties

Properties for Apple mixer audio units.

## Topics

### Constants

- [kAudioUnitProperty_InputAnchorTimeStamp](audiotoolbox/kaudiounitproperty_inputanchortimestamp.md)
- [kAudioUnitProperty_MatrixDimensions](audiotoolbox/kaudiounitproperty_matrixdimensions.md)
- [kAudioUnitProperty_MatrixLevels](audiotoolbox/kaudiounitproperty_matrixlevels.md)
- [kAudioUnitProperty_MeterClipping](audiotoolbox/kaudiounitproperty_meterclipping.md)
- [kAudioUnitProperty_MeteringMode](audiotoolbox/kaudiounitproperty_meteringmode.md)

## See Also

### Mixers

- [Audio Unit Mixer Subtypes](audiotoolbox/1584146-audio-unit-mixer-subtypes.md)
- [AUSpatialMixerAttenuationCurve](audiotoolbox/auspatialmixerattenuationcurve.md)
- [AUSpatialMixerRenderingFlags](audiotoolbox/auspatialmixerrenderingflags.md)
- [AUSpatialMixer Parameters](audiotoolbox/1390073-auspatialmixer-parameters.md)
- [Panner Audio Unit Parameters](audiotoolbox/1389991-panner-audio-unit-parameters.md)
- [AUMatrixMixer Parameters](audiotoolbox/1390003-aumatrixmixer-parameters.md)
- [AUMultiChannelMixer Parameters](audiotoolbox/1389739-aumultichannelmixer_parameters.md)
- [Spatial Mixer Property IDs](audiotoolbox/1534150-spatial-mixer-property-ids.md)
- [Stereo Mixer Unit Parameters](audiotoolbox/1389928-stereo-mixer-unit-parameters.md)
- [Mixer Audio Unit Subtypes](audiotoolbox/1584150-mixer_audio_unit_subtypes.md)
- [AUSpatialMixerOutputType](audiotoolbox/auspatialmixeroutputtype.md)
- [AUSpatialMixerPointSourceInHeadMode](audiotoolbox/auspatialmixerpointsourceinheadmode.md)
- [AUSpatialMixerSourceMode](audiotoolbox/auspatialmixersourcemode.md)
- [3D Mixer Unit Parameters](audiotoolbox/1389763-3d_mixer_unit_parameters.md)
- [AU3DMixerAttenuationCurve](audiotoolbox/au3dmixerattenuationcurve.md)