AU3FX:PeakQ

A versatile 4-band parametric stereo equalizer AUv3 plugin for everything between subtle frequency enhancements to agressive boosting/cutting or special resonator effects.

This app is part of the AU3FX series, a collection of simple and powerful audio unit effect plugins.

• High quality 32-bit DSP engine. • Two parametric peak filters with gain, frequency and Q. • Low-shelf filter with gain and frequency. • High-shelf filter with gain and frequency. • On/Off toggle for each band. • Interactive frequency response curve with draggable handles. • Real-time FFT spectrum analyzer with pre/post/off switch. • Comes with several bundled presets. • Use multiple instances at the same time. • Save/load session state in host. • External access and control of all parameters from host. • User presets shared across hosts (on iOS 13 and later).

The container app shows the Users Guide. Load the AU3FX:PeakQ inside any music app that supports hosting Audio Unit Extensions to use the plugin.