Sonnox Toolbox Claro

Equalizer Plugin

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    For detailed instructions on the registration/download process, you can visit our dedicated page by clicking here: Install Instructions.

Education Proof

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Education proof is submitted to the manufacturer and is accepted at their discretion.

The Basics

iLok is a copy protection method used by many of our brands.

It has 3 types of activations, iLok USB, iLok Machine, and iLok Cloud.

Different brands/products will offer different iLok methods. iLok USB is always an option, but the availability of iLok Cloud and iLok Machine methods is at the discretion of the software developer.

iLok Account

For all iLok protected products, you will need an iLok account. You can create one for free here:!registration

iLok License Manager

To manage your iLok licenses, there is a dedicated app called iLok License Manager. This app is used to register, activate, and move your licenses between locations.

You can download the latest installers from the iLok website:!home

iLok USB Key

iLok USB

This activation is stored on an iLok 2 or 3 USB key.

It is the best option for portability, if you frequently move between multiple machines, and offline use.

iLok Machine ID

Machine ID

This activation is stored locally on your computer.

While this is a convenient way to work offline, and does not require the additional cost of an iLok USB, there is the risk of a license being lost in the case of a drive failure.

This option also requires extra care when you upgrade to a new computer, the license(s) must be deactivated on your old machine first to ensure you do not lose them.

iLok Cloud

iLok Cloud

This activation is based online, and requires a "cloud session" using the iLok License Manager.

It requires an active internet connection for the entire time you use the plugin(s).

Claro is an equalizer that aids the production process from composition to final mix. Progressively adding deeper insight and precision, Claro maintains focus and accelerates your workflow through three distinct views.


Streamline Claro into a quick, creative, and non-distracting EQ that actively encourages instinctive musical creativity.


Zero in on the Produce result, opening up further correctional possibilities. Access our cleanest, most flexible filters yet which continue to further Sonnox's trademark transparency while the real-time analyzer adapts to your moves and helps to visualize resonances.


All the information you need to understand and assemble your Mix is here. Every track is displayed in context for you to prioritize, explore interactions between different tracks and quickly address frequency collisions in tracks that are competing for space.

Make informed musical decisions in a totally unique way.

If you want to develop your own unique musical voice, you need to take control.

So, what makes Claro unique?

Vibe First, Detail Later

Build EQ intuition and confidence without interrupting flow - If we mix while creating, even just a little, we can hear what will work musically. If the mix sounds better, we might be inspired to make different musical decisions, as long as we don't break our flow or get stuck down rabbit holes!

Focus on where the energy is and what tonal characteristics you want to achieve rather than whether the EQ curve looks right.

Mid-side EQ is often essential for cleaning up stereo synths and loops. It's just quick tone shaping, flip to Width mode to see where the side-channel energy is coming from and tweak it.

Centre the bass, spread the air... but perhaps not on everything.

Auto Gain, Which Actually Works

Not the auto gain you might be familiar with from other EQs... Claro's auto gain works in a unique way to keep your shaped track at the same loudness, no matter how you shape it.

Why is this useful? EQ for tone, faders for volume; they won't fight each other anymore. Attenuating won't sound boring; boosting won't unbalance your mix and start a loudness race with other tracks.

Give it a try and explore how it influences your other mixing decisions.

See What You're Sculpting

Sometimes we need to dive into the finer details, to tweak filter resonance, adjust left/right and mid/side width balance, or attenuate resonant areas which contribute to boxiness and harshness.

Claro's adaptive spectrum analyzer follows the channel (Left, Right, Mid, Side, or Stereo) and the Q of the band you're adjusting to show you what you need to see.
No more boosting and sweeping, Claro identifies resonances and highlights them so you can be in control of how much or little you wish to attenuate those resonances.

Multitrack Workspace

Build the skill of refining a mix through many minor tweaks around lead elements.

See all Claro instances across your project; see how their energy interacts and causes one sound to "mask" another, making it harder to hear. Drag & drop
to explore remedial EQ moves across different combinations of tracks.

Yellow areas show where each track interacts with the top EQ slot, potentially making them sounding boomy, muddy, or harsh when heard together.

Keeping It Clean

Claro features smoother parameter interpolation than ever before, but why is that important? When parameters are automated they can create 'zipper' noise, other audible artifacts, and distortion.

Below are three graphs of test tones played through three different EQ plugins with Claro on the left. The other two are from two of the most popular and best-selling digital EQs currently available.

The graphs show the noise output while sweeping a low cut filter... not very interesting is it? This is exactly what we want! Any content other than the 2kHz tone will be heard as distortion and unwanted noise.

System Requirements

  • MacOS 10.8 Mountain Lion and above
  • Windows 7 and above
  • Free iLok account and iLok License Manager
  • iLok Machine, iLok USB, and iLok Cloud licensing methods are supported

Plugin Formats

AAX Native, AU, VST3

System Requirements

  • MacOS 10.12 Sierra and above
  • Windows 7 and above (64-bit only)
  • Intel, AMD, or Apple Silicon CPU
  • Free iLok account and iLok License Manager
  • iLok Machine, iLok Cloud, and iLok USB licensing methods are supported
  • Includes 2 activations per license

User Manual

Crossgrade Proof

This crossgrade is for owners of a competing DAW. To prove your DAW ownership, we require that you upload proof in the form of an image/PDF.

Types of proof

A copy of your purchase receipt for the original license or the most recent update/upgrade

A screenshot of your product registration

A photo of your package (either CD/DVD or printed manual), with the unique serial number included in the photo.