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Scaler EQ Pro brings musical intelligence to every stage of mixing, mastering and sound design. Shape frequencies in relation to notes, scales and harmony, control the low and high end dynamically, or even play your EQ from MIDI – all while keeping the musical context at the heart of your sound.
Built on Scaler’s patented note-aware equalisation and rebuilt with all-new filter technology, Scaler EQ Pro delivers smoother, more natural Harmonic Peak filtering, continuously variable slopes, dedicated Bass and High-Frequency Compression, Continuous Gain Match and the new MIDI-controlled Live Mode.
What can Scaler EQ Pro be used for?
Music Production
Ideal for musicians and producers looking to enhance the musicality of their tracks by ensuring all instruments are in harmony with the chosen scale.
Audio Editing
Simplify EQ processes by targeting and cleaning up frequency bands to remove audio that doesn’t belong and enhance audio naturally present with the chosen scale.
Sound Design
Turn almost any recorded sound into a playable musical instrument. Boost in-key resonant frequencies to transform textures into musical pads, make drum parts sing, or use MIDI notes and chords to bring specific harmonics to life.
Mastering
Place on your master channel to broaden your stereo width, focus your bass, increase loudness, and enhance your mix.
Highlights
EQ, In Key
Automatic Key Detection
Modern + Musical Filters
Mix & Master with Confidence
A New Musical Filter Engine
Play Your EQ
Presets for Every Workflow
Dynamic EQ, Your Way
Scaler EQ Pro’s Harmonic Peak filters can boost frequencies that are in-key with the selected scale, reduce those that fall outside it, or reverse the process entirely.
By using in-key EQ, you’ll get warmer lows and sweeter highs when boosting, while out-of-key cuts will lead to clearer, more focused bass and less harsh highs that retain their musicality.
Automatically detect the key of your music from audio or MIDI, then customise the scale by adding or removing notes. Use three fully automatable Scale Switchers to move between keys and scales within a project.
Scaler EQ Pro combines the familiar filters you expect from a modern EQ with musical and scale-aware processing. Peak, Shelf, High/Low Cut, Notch, Band-Pass and Tilt filters sit alongside Harmonic Peak and Magic Shelf bands for precise or musical shaping.
Shape your mix or master with input and output control, Peak and RMS metering, stereo width, low-frequency mono control, dedicated Bass and High Frequency Compression, Continuous Gain Match and input/output limiters.
At the centre of Scaler EQ Pro is an entirely new filter architecture, taking note-aware EQ further with greater precision and a naturally musical response.
ERB-scaled resonance and raised-cosine note filters allow each Harmonic Peak to target musical frequencies accurately while blending smoothly with adjacent notes. Fractional-order slopes give you continuous control between conventional filter settings, while refined decay behaviour keeps complex EQ moves warm and clear.
Live Mode turns Scaler EQ Pro into a playable processor. Use MIDI notes or chords to create EQ bands in real time. Velocity controls intensity, ADSR shapes movement, and polyphonic operation lets multiple notes create multiple bands at once.
Scaler EQ Pro comes with a wide range of presets designed to get you to the right sound faster. Explore tailored starting points for Bass, Drums, Guitar, Keys, Orchestra, Synth and Vocals, alongside dedicated presets for Master, Mix Bus, Sound Design and Templates.
And when you’ve found a sound worth keeping, User presets make it easy to save and build your own collection.
Scaler EQ Pro brings dynamic processing directly into the EQ workflow, letting individual bands respond to the signal in real time.
Dynamic Polarity gives you control over whether a band expands or compresses, while the external Sidechain lets another track in your DAW drive the response. Turn dynamics on or off independently for each band and shape the behaviour exactly where you need it.
Scaler EQ Pro Announcement Video
Key Features
Musical EQ
- Patented note-aware musical EQ boosts frequencies belonging to your key and scale or reduces frequencies that fall outside them.
- All-new musical filter engine delivers smoother, more natural and more precise note-aware processing.
- Redesigned Harmonic Peak filters accurately target musical frequencies while blending naturally into neighbouring notes.
- Automatic key detection analyses your music and adapts the EQ to the detected key and scale.
- Three scale slots let you move between different keys and scales within the same project.
- Edit individual scale notes to fine-tune exactly which harmonics are processed.
Precision Filtering
- Continuously variable filter slopes move smoothly between conventional slope values rather than fixed steps.
- Traditional and musical EQ bands combine familiar precision EQ with Scaler’s scale-aware processing.
- Tilt, Notch, Peak, Shelf, High/Low Cut and Band-Pass filters provide a complete modern EQ toolkit.
- Magic Shelf filtering shapes the low and high end while intelligently managing stereo information.
- Minimum-phase, zero-latency processing makes Scaler EQ Pro suitable for mixing, tracking and live use.
Dynamics & Mastering
- Dedicated Bass Compressor controls low-frequency energy while preserving punch.
- Dedicated High-Frequency Compressor smooths harsh highs while retaining detail.
- Dynamic EQ on any band with Threshold, Ratio, Attack and Release controls.
- Mid/Side processing on every band provides precise control of stereo, mid and side information.
- Sidechain-controlled dynamics let external signals control individual bands.
- Continuous Gain Match compensates for level changes so you can judge processing rather than loudness.
- Stereo Width and low-frequency Mono control help shape spatial balance and focus the bottom end.
- Input and Output Peak Limiters provide final level protection.
Live Mode
- MIDI-controlled Live Mode lets you boost or cut frequencies by playing MIDI notes.
- Polyphonic operation lets multiple MIDI notes or chords create multiple musical bands simultaneously.
- Velocity sensitivity controls how strongly each played note affects the EQ.
- ADSR shaping controls how the processing evolves over time.
- Performance Solo turns EQ into a playable performance effect.
- Live Band Solo isolates the frequencies currently being processed.
Workflow & Sound Design
- Transform recorded sounds into musical material using scale-aware filtering and harmonic resonance.
- Hundreds of presets cover mastering, instruments, mixing and sound design.
- Mid/Side processing on every band provides precise control of stereo, mid and side information.
- Input/output level controls with Peak and RMS metering simplify gain staging and monitoring.
- Completely redesigned interface and workflow brings the expanded toolset together in a faster working environment.
- Protected by U.S. Patent No. 12,647,085 for Scaler’s note-aware audio processing technology.
System Requirements
macOS
- macOS 12 or later
- Native support for Apple Silicon and Intel Macs
- 64-bit only
- Plugin formats: VST3, AU, AAX
- Standalone application included
- Compatible with major DAWs including Ableton Live, Logic Pro, Pro Tools, FL Studio, Cubase, Nuendo, Reaper, Reason and more
Windows
- Windows 10 or later
- 64-bit only
- Plugin formats: VST3, AAX
- Standalone application included
- Compatible with major DAWs including Ableton Live, Pro Tools, FL Studio, Cubase, Nuendo, Reaper, Reason and more
Additional Notes
- Existing Scaler EQ owners will be eligible for special upgrade pricing when Scaler EQ Pro launches on September 23
- New to Scaler EQ? Buy Scaler EQ now and get Scaler EQ Pro FREE at launch on September 23
- Supported host software must be 64-bit compatible
- Internet connection required for download, activation and updates
As Featured
