---
title: 3D Mixer Unit Parameters
framework: audiotoolbox
role: collectionGroup
role_heading: API Collection
path: audiotoolbox/1389763-3d_mixer_unit_parameters
---

# 3D Mixer Unit Parameters

Parameters for the 3D Mixer unit.

## Topics

### Constants

- [k3DMixerParam_Azimuth](audiotoolbox/k3dmixerparam_azimuth.md)
- [k3DMixerParam_Distance](audiotoolbox/k3dmixerparam_distance.md)
- [k3DMixerParam_Elevation](audiotoolbox/k3dmixerparam_elevation.md)
- [k3DMixerParam_Enable](audiotoolbox/k3dmixerparam_enable.md)
- [k3DMixerParam_Gain](audiotoolbox/k3dmixerparam_gain.md)
- [k3DMixerParam_GlobalReverbGain](audiotoolbox/k3dmixerparam_globalreverbgain.md)
- [k3DMixerParam_MaxGain](audiotoolbox/k3dmixerparam_maxgain.md)
- [k3DMixerParam_MinGain](audiotoolbox/k3dmixerparam_mingain.md)
- [k3DMixerParam_ObstructionAttenuation](audiotoolbox/k3dmixerparam_obstructionattenuation.md)
- [k3DMixerParam_OcclusionAttenuation](audiotoolbox/k3dmixerparam_occlusionattenuation.md)
- [k3DMixerParam_PlaybackRate](audiotoolbox/k3dmixerparam_playbackrate.md)
- [k3DMixerParam_PostAveragePower](audiotoolbox/k3dmixerparam_postaveragepower.md)
- [k3DMixerParam_PostPeakHoldLevel](audiotoolbox/k3dmixerparam_postpeakholdlevel.md)
- [k3DMixerParam_PreAveragePower](audiotoolbox/k3dmixerparam_preaveragepower.md)
- [k3DMixerParam_PrePeakHoldLevel](audiotoolbox/k3dmixerparam_prepeakholdlevel.md)
- [k3DMixerParam_ReverbBlend](audiotoolbox/k3dmixerparam_reverbblend.md)
- [k3DMixerParam_BusEnable](audiotoolbox/k3dmixerparam_busenable.md)
- [k3DMixerParam_DryWetReverbBlend](audiotoolbox/k3dmixerparam_drywetreverbblend.md)
- [k3DMixerParam_GlobalReverbGainInDecibels](audiotoolbox/k3dmixerparam_globalreverbgainindecibels.md)
- [k3DMixerParam_MaxGainInDecibels](audiotoolbox/k3dmixerparam_maxgainindecibels.md)
- [k3DMixerParam_MinGainInDecibels](audiotoolbox/k3dmixerparam_mingainindecibels.md)
- [k3DMixerParam_ObstructionAttenuationInDecibels](audiotoolbox/k3dmixerparam_obstructionattenuationindecibels.md)
- [k3DMixerParam_OcclusionAttenuationInDecibels](audiotoolbox/k3dmixerparam_occlusionattenuationindecibels.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 Properties](audiotoolbox/1534041-mixer_audio_unit_properties.md)
- [Mixer Audio Unit Subtypes](audiotoolbox/1584150-mixer_audio_unit_subtypes.md)
- [AUSpatialMixerOutputType](audiotoolbox/auspatialmixeroutputtype.md)
- [AUSpatialMixerPointSourceInHeadMode](audiotoolbox/auspatialmixerpointsourceinheadmode.md)
- [AUSpatialMixerSourceMode](audiotoolbox/auspatialmixersourcemode.md)
- [AU3DMixerAttenuationCurve](audiotoolbox/au3dmixerattenuationcurve.md)