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apQualizr2 apQualizr2 ++ Poles Mode + Phase Graph apQualizr2 Harmonic Filter
apQualizr2 by apulSoft is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
Windows Vista or newer.
A CPU with SSE 2 support.
A host application that can load VST, VST3 or AAX plugins.
A Mac with an 64-bit Intel/Apple Silicon CPU running OS X 10.9 or newer.
A host application that can load VST, VST3, AU or AAX plugins running in 64-bit mode.
Pro Tools (AAX): Pro Tools 11 or newer including Apple Silicon native.
Copy Protection
Serial Number
My KVR - Groups, Versions, & More
41 KVR members have added apQualizr2 to 6 My KVR groups 52 times.
Not In Your MY KVR Groups
(or group limitation prevents versioning)
+2 in private groups

KVR Rank

Overall: 2037   1587   1974

30-Day: 2110; 7-Day: 3696; Yesterday: 2129

apQualizr2 is an audio plugin based on a multiband equalizer layered on top of a frequency analyzer with elements of a modular effects system.

It features graphical editing of top quality low latency filters and modular modulation of various filter parameters. It can be used for all standard EQ applications and can produce many modulation/dynamics effects thanks to the dynamics and LFO modules included.

Main features:

  • High-quality minimal latency variable poles filters modeled perfectly over the full frequency spectrum.
  • 4 phase correction engines: minimal, analog, mixed and linear.

  • Graphical editing of filter parameters.
  • Unlimited number of filter bands.
  • Zoomable FFT-based frequency analyzer displayed beneath the filter curves.
  • Undo/Redo support for all actions.
  • Frequency band solo feature: hold Alt to solo frequencies in mouse proximity at any time.
  • Filter parameters can be modulated by a configurable network of modules.
  • Current module selection: LFO, Dynamics Detector, Signal Scope, Mix, Split, Knobs.
  • Mid-Side / Left-Right processing per filter band.
  • Comb filter.
  • Spectral tilt filter with freely adjustable slope.
  • Variable slope high- and low pass filters.
  • Harmonic filterbanks with peak, parallel bandpass and notch bands.
  • Output clipper with gain reduction graph and antialias algorithm.
  • Interactive piano ruler.

Latest User Reviews

Average user rating of 5.00 from 1 review

Reviewed By alwinbrauns
August 24th, 2018

This is the best Equalizer I know!

It is not only an EQ! With the modular-system you can easily build a... :

  • De-Esser.
  • Dynamic EQ.
  • Auto-Pan.
  • Auto-Filter.
  • Compressor.
  • and much more.

The prize is very low for what you get!.

There are always incredible good updates.

This plugin uses the advantages of digital!!!! Not a "magical" analog eq for 200$, it is a futuristic EQ! No magic bullshit, this EQ is on point!!!

The only contra is that beginner maybe struggle with the modular routing. But even without using the moduls it worth its price!!!.

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