Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

AU3FX:PeakQ Screenshots

iPad

iPhone

About 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.