24-band EQ with EQ Sketch, Instance List, dynamic and spectral processing, EQ Match, M/S per band, Atmos 9.1.6 support, brickwall slopes, and spectrum grab.

Since 2009, FabFilter Pro-Q has set the EQ standard. Version 4 adds Spectral Dynamics, EQ Sketch, Instance List, vintage saturation, and more.

Mixing and mastering features

FabFilter Pro-Q 4 offers every tool a demanding engineer could wish for: top-quality linear phase operation, zero latency, and unique Natural Phase modes, along with a refined Dynamic EQ that now includes attack and release settings for precise control. Its per-band stereo, mid/side, and left/right processing makes it versatile for any mix, while full surround support up to Dolby Atmos 9.1.6 ensures immersive audio workflows. The updated spectrum analyzer features customizable settings and collision detection, complemented by an intelligent solo function and optional Auto Gain for smooth operation.

Effortlessly sculpt your sound

Pro-Q 4's workflow-enhancing features, such as Spectrum Grab, EQ Sketch, and Instance List, make achieving professional results faster than ever. The large interactive EQ display allows seamless band creation, dynamic EQ enablement for any band, and multi-band selection and editing. The Piano Display further enhances precision by letting users adjust band frequencies in musical note values.

FabFilter Pro-Q 4 is designed to help you achieve your sound in the quickest way possible. Via the large interactive EQ display, you can create bands where you need them, enable dynamic EQ for any band, and select and edit multiple bands at once.

FabFilter goodies

Pro-Q 4 retains all the beloved features of its predecessor, Pro-Q 3, while enhancing them with modern upgrades. With up to 24 EQ bands, Natural and Linear Phase processing, universal slope support for all EQ shapes, and dynamic EQ with external side-chain triggering, it delivers unparalleled flexibility. The interface remains as gorgeous and functional as ever, with GPU-powered acceleration, Full Screen mode, multiple display ranges, and intuitive parameter control. MIDI Learn, Pro Tools hardware support, undo/redo, A/B comparison, and an extensive help file round out the package, making Pro-Q 4 a comprehensive tool for every mixing and mastering need.

New in version 4

Usability improvements and EQ Sketch. Wondered if you could ever just draw the curves you'd like? Now you can!

The new Instance list lets you control all instances in your session via a single plug-in interface.

Use Spectral dynamics to treat problem frequencies more precisely and efficiently.

Features

• Highest possible sound quality
• Up to 24 EQ bands
• Optional Dynamic EQ mode for all bands (Bell and Shelf shapes), with adjustable attack and release, optional side-chain filtering and external triggering
• Advanced Spectral dynamics processing, to effectively and precisely treat problem frequencies in your audio
• Full immersive / Dolby Atmos® functionality (up to 9.1.6), with intelligent speaker selection
• EQ Sketch: just draw the desired EQ curve in one go to setup initial EQing
• Continuous slope setting up to 96 dB/oct for all filter types and ultra-steep 'Brickwall' slope setting for LP and HP filters
• Filter shapes: Bell, Notch, High/Low Shelf, High/Low Cut, Band Pass, Tilt Shelf, Flat Tilt and All Pass
• EQ Match feature to automatically match the spectrum of another Pro-Q 4 instance or an external signal
• Built-in spectrum analyzer with Pre-EQ, Post-EQ and external spectrum visualization, adjustable range, speed, resolution, tilt, freeze and collision detection
• Work fast and efficiently: use the Instance list to view and control any other Pro-Q 4 instance in your session
• Gorgeous Retina interface with large interactive EQ display, multi-band selection and editing for maximum ease of use and efficiency

Technical details

• Operating systems: Windows, macOS
• Plug-in formats: VST 2, VST 3, Audio Unit, AAX
• Architecture: 32 and 64 bit
• Licensing: licence key, machine-bound

System requirements

• macOS 10.13 or newer
• Windows 11, 10, 8, 7 or Vista

The licence is registered with the manufacturer at https://www.fabfilter.com/activate. You will receive your serial number and the download link by e-mail immediately after purchase.