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Filterizor Q Pro

Equalizer Plugin by Sugar Audio
€74.95 / $79.95
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Filterizor Q Pro by Sugar Audio 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 10-11
Mac OS X 10.11+
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Overall: 8284   5977   7535

30-Day: 7644; 7-Day: 3600; Yesterday: 8959

2D/3D Multi Channel Equalizer, Filter & Effect

Equalizing and filtering in 2D and 3D visualizations using up to 10 out of 255 dynamically overlayed or paralleled channels for detailed spectrum comparisons is the power of Filterizor Q Pro. Benefit from using it in mixing, mastering, live or teaching sessions. Filterizor Q Pro combines analogue vintage designs with the modern advantages of the digital domain. Are you feeling overwhelmed with your EQ settings ? Filterizor Q Pro will change it as effective as possible. Are you experiencing masking and interferencing in your sound ? Easily find competing frequencies and clean your mix. Quickly link and adjust filters of any plug-in instance together making complementary EQing easier than ever.

Many filter types and models, up to 100 filters per instance with up to 20th order for very steep frequency responses, linear/zero phase modes, L/R & M/S processing, flexible automation mapping, inverted filter solo mode to find muddiness/harshness/resonances, note lock and the 4-phase gain protection are some of the highlights of Filterizor Q Pro.

Spectrums are displayed with filled/lined graphics using blending, blending types and smoothing. Use the custom UI coloration, free resizing capabilities up to Ultra-HD & 5K Retina resolutions and innovative control multi panel to optimize your workflow.

{See video at top of page}


  • Powerful 2D / 3D equalizer & filter for mixing, mastering, creative effects & live sessions.
  • Spectrum interference visualization: clean your mix, eliminate unwanted masking & find sound definition.
  • Unique parallel mode = your EQ control center: add/delete/change filters of any other instance with the help of send/receive channels.
  • Makes your mixing workflow easier: dynamically compare shiftable paralleled and overlayed 2D/3D spectrums of any other instance in the 10 channels simultaneous view.
  • Get the best out of your mix: complementary mixing.
  • Quickly (inverse) link up to 10 filters of any instance (!) in 25 separated link chains and edit/drag/bypass them together. The links are saved with your projects.
  • Analogue vintage designs combined with the modern advantages of the digital domain.
  • High quality low cut, high cut, band, band stop (notch), band pass, low shelf, high shelf & weighted shelf filters.
  • Stereo (left/right), M/S (mid/side) and sum processing.
  • Filter solo mode: easily find muddiness, harshness & resonances.
  • Assisting multi channel correlation meter.
  • Up to 20th order filters for all filter types & models (!) with steep frequency responses of up to 180dB/oct and more.
  • Up to 100 filters of any type per instance.
  • Highly optimized zero latency, linear phase and zero phase modes.
  • Customizable 4 phase gain protection protects your ears and speakers.
  • 10 channels x 9 parameters automation mapping changes more than one filter with one parameter for custom resonances, dips & effects.
  • Smart note, frequency and gain lock functions.
  • On-the-fly edit- and hideable filter info pop up window.
  • The filter lock mode intelligently protects against unwanted changes and automation.
  • Useful dB-scale- and hideable RMS, peak & peak hold meter with built-in gain controller.
  • Filter changes transition fine-tuning controls (fade & hold time).
  • FFT size, window (7 functions) & average controls.
  • Spectrum tilt/slope knob & Nyquist mode.
  • 255 channels to send/receive spectrums to/from other instances.
  • Benefit from channel naming and coloration with propagation to other instances.
  • Filled/lined spectrums using blending, blending types & smoothing.
  • Inspirational SA 3D Engine 2.0: Highly optimized and customizable 3D renderer.
  • 360 degrees three axis 3D rotation, free positioning and zooming.
  • Two independent 3D light sources with extended customization.
  • Outstanding & fully customizable UI with pleasant spectrum coloration.
  • Best practises Bypass / Freeze / Freeze all (global freeze) buttons.
  • Advanced gain, pan, phase, L/R swap, mono and mute track controls for all instances.
  • Exact mouse wheel zoom in/out to dive into the desired spectrum range.
  • Handy positioning, scaling & dragging.
  • Multipanel UI control with all-in-one-mode, menu splitter & control scrolling.
  • Freely resizable GUI from very small up to Ultra-HD & 5K Retina
  • Full window and control hover mode.
  • Extensive preset manager, many presets, quick save/load preset & A/B comparison.
  • A range of keyboard shortcuts for the most important functions.
  • No dongle required (except AAX), low CPU & memory usage (except 3D).
  • Supports Windows 7+ VST2/VST3/AAX x86/x64.
  • Supports Mac OS X 10.7+ VST2/VST3/AU/AAX (ProTools 11+12 Native) x86/x64 Intel processor.
  • Supports 16-32-bits sample resolution @ 44.1–192 kHz sample rate.

Application areas:

  • EQ control center.
  • Detailed spectrum equalizing & filtering in mixing, mastering, live & teaching sessions.
  • Effect equalization and custom resonance filtering.
  • Complementary EQing.
  • Averaged spectrum comparison of channels (e.g. reference tracks or instruments/voices).
  • Spectrum interference visualization (lightens parts with most activity)
    Stereo & mid/side processing.

Latest User Reviews

Average user rating of 5.00 from 1 review

Filterizor Q Pro
Reviewed By AirDuern
March 23rd, 2018

My favs:

+ Spectrum oriented GUI, highly resizable and custom-colour channels.
+ A lot of clean 20th order filter types you can choose in one glance, with huge gain capacities
+ Great CPU optimization
+ Floating menus per filter (everything you need on each filter!)
+ Linkable filters (lots of fun, and so much to learn from experimenting with it!)
+ Parallel mode (Just perfect for Mastering and balancing instruments presence)
+ M/S processing.

This EQ came out just right when I needed an advanced one. The upper features listed are definitly what made me buy this VST.
Also, reading through Sugar Audio site, I understood that these guys are engineers first. They first work for usable and valuable processing before designing the cutest GUI. Honestly, I don't think this VST looks good, but goodness it does really looks like efficient! This fullscreen Spectrum allows you to dive in your sound. Filters can be very smooth or surgical and parallel mode just helps you so much when you need to balance instruments, balance your bass/kickdrum combo, and so on.

Filterizor is the first advanced EQ I'm buying and it maybe the last one.

Features I wish to see on this vst: dynamic EQ or reference EQ (not match EQ, just reference EQ).

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