---
title: AU3DMixerAttenuationCurve.k3DMixerAttenuationCurve_Power
framework: audiotoolbox
role: symbol
role_heading: Case
path: audiotoolbox/au3dmixerattenuationcurve/k3dmixerattenuationcurve_power
---

# AU3DMixerAttenuationCurve.k3DMixerAttenuationCurve_Power

An equal-power-based attenuation curve.

## Declaration

```swift
case k3DMixerAttenuationCurve_Power
```

## See Also

### Constants

- [AU3DMixerAttenuationCurve.k3DMixerAttenuationCurve_Exponential](audiotoolbox/au3dmixerattenuationcurve/k3dmixerattenuationcurve_exponential.md)
- [AU3DMixerAttenuationCurve.k3DMixerAttenuationCurve_Inverse](audiotoolbox/au3dmixerattenuationcurve/k3dmixerattenuationcurve_inverse.md)
- [AU3DMixerAttenuationCurve.k3DMixerAttenuationCurve_Linear](audiotoolbox/au3dmixerattenuationcurve/k3dmixerattenuationcurve_linear.md)