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4 Sonible smart:EQ 4

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Sonible smart:EQ 4
Sonible smart:EQ 4

The intelligent equalizer

smart:EQ 4 uses AI to correct spectral issues and achieve tonal balance. This equalizer empowers you to approach a project from a mix’ perspective: Intelligent cross-channel processing offers hierarchical control over multiple tracks and enables you to get spectral mixing done via drag and drop.

  • Intelligent cross-channel processing for spectral unmasking
  • AI filter to automatically correct tonal imbalances
  • Dynamic EQing, mix profiles, reference track feature, auto gain,..

Sonible smart:EQ 4 Features

Define your mix, refine your tracks

Empower your mix journey

Keeping the mix context in mind – effortlessly

Unlike usual equalizers that leave the context of a mix out of any processing, smart:EQ 4 lets you take control over multi-track unmasking processes easily and get spectral mixing done by simple dragging and dropping up to 10 tracks. This set priorities for each smart:filter, bringing some elements to the forefront of the sonic stage, leaving some in the middle, and pushing some into the background. Switching back and forth between instances is a thing of the past in this innovative tool – any instance within the same group can be remotely controlled from any other instance.


smart:filter technology by sonible

AI-powered equalization for instant spectral balance

The centerpiece of smart:EQ 4 is the smart:filter – it automatically balances the signal based on a target Profile you choose for your tracks. The smart:filter within each EQ instance comes with a range of features to adjust the AI-powered processing to your liking. Open up the smart:filter widget to tweak the Smoothing parameter for gentler filtering and turn up the Adaptive option to smooth out highly dynamic signals. You can split the green weighting curve of the smart:filter and set a certain frequency range to define where the intelligent algorithms should get to work.

smart:EQ 4’s smart:filter can be used in three modes: ‘Track’ balances the channel; ‘Group’ doesn’t affect the channel but reduces masking between it and other group members; ‘Track and Group’ applies balancing to the channel and makes it subject to unmasking.


Calibrate the intelligent processing

Profiles for instruments, vocals and entire mixes

With each generation of smart:EQ, the range of available Profiles grew. smart:EQ 4 sports instrument and vocal Profiles that you can use on single tracks or busses. To give your mix a final spectral polish, use one of the genre-based profiles. If you are chasing a certain sound, load up a reference track to create a custom profile and have smart:EQ 4 emulate its spectral character and balance on your channel or buss. By popular demand, now you can even specify the maximum learning time that smart:EQ 4 should use to analyze the input signal.


smarteq widgets

Dynamic standard filters, Mid/Side processing, Auto gain,…

All the features you need for expert tweaking

smart:EQ 4 is a highly versatile EQ that has got you covered with every feature you would expect from a pro-grade equalizer. In addition to the smart:filter, smart:EQ 4’s standard EQ bands sport dynamic behavior, offering a Dynamic Filter Widget with familiar compressor-like controls. These Standard EQ bands can be used alongside or instead of the main smart:filter bands for any instance of smart:EQ 4. There is also an Auto Gain Feature to compensate for level changes, comprehensive Mid-Side processing and an analyzer feature that not only shows you the track at hand but all instances that are in the same group.

smart:EQ 4

smart:EQ 4 helps you to achieve the right balance for your tracks and mixes –incredibly fast and easy.

Also, check out the Sonible smart:bundle.



plug-in formats (Mac)

  • AU, VST, VST3, AAX (64 bit)

plug-in formats (Windows)

  • VST, VST3, AAX (64 bit)

supported sample rates

  • 44.1 kHz to 192 kHz


  • machine-based or iLok (see FAQ)

Apple Silicon support

  • native

System requirements


  • Windows 10


  • OSX 10.14+


  • at least 4 GB (recommended)


  • Intel Core (i5), Apple Silicon


  • OpenGL Version 3.2+

List of tested DAWS

  • Logic Pro
  • Ableton Live
  • Pro Tools 11+
  • Reaper
  • Cubase
  • Nuendo
  • FL Studio
  • StudioOne

Functionality or Sonible support isn’t limited to the mentioned DAWs.

What’s new in Smart:EQ 4

  • ‘Remote Control’ group functions to control multiple smart:EQ instances from any other instance
  • New smart:filter profiles for individual instruments and genres
  • Match master tonality to a loaded reference track
  • New Track, Group, and Track & Group smart:filter modes of operation
  • Dynamic EQ bands with Threshold, Ratio, Attack, Release and Range
  • Auto Gain for compensation of introduced level changes

What’s new in Smart:EQ 3

smart:EQ 3 isn’t just a major update of smart:EQ 2. It is so much more. By implementing a completely new A.I.-powered feature – the group view – Sonible took a holistic approach to spectral balance. They created a tool that lets you clean up single tracks within seconds and get spectral mixing done via drag and drop.

  • smart:filter for a clean and detailed sound within seconds
  • Spectral mixing via drag & drop of up to six tracks or busses
  • Option to choose between minimum phase and linear phase filtering
  • Dynamic adaption throughout a track for a more consistent sound
  • Mid/Side processing, up to 24 standard filters, …. and much more
Sonible smart:EQ 3 - The future of EQ Mixing

Sonible smart:EQ 3 - The future of EQ Mixing

Sonible Product Specialist Eric Burgess shows smart:EQ 3's ability to share instances and talk to each other for cross-channel EQ ing.

smart eq ai tutorial

Sonible smart:EQ AI Features Tutorial #gettingstarted

Watch this tutorial to learn how to achieve spectral balance with Sonible smart:EQ 3 within seconds – whether you are working on a single track or a mix.

sonible smart:eq+ series tutorial

Improve speech and voice recordings with sonible EQ Series #gettingstarted

This short tutorial shows you how to improve badly recorded voices with the EQ+ series in a few simple steps. Products covered in this tutorial include smart:EQ+, proximity:EQ+ and entropy:EQ+.

sonible smart:eq2 tutorials

Sonible smart:EQ 2 User Guide Tutorial Series #gettingstarted

This series of tutorials offer lots of helpful information and a few tips and tricks to get you started with Sonible smart:EQ 2, an intelligent equalizer plug-in.


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