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.