Overview

FabFilter Pro-Q 4 is a professional equalizer plug-in designed for mixing and mastering, offering very high sound quality, an extensive feature set, and an innovative, user-friendly interface. It supports up to 24 EQ bands with various filter types and modes, enabling precise and flexible frequency shaping.

Key Features

• Multiple processing modes: zero latency, linear phase with adjustable latency, and unique Natural Phase mode
• Dynamic EQ for all band types, with adjustable attack/release, side-chain filtering, and external triggering
• Advanced spectral dynamics processing that dynamically treats problem frequencies within a band
• Per-band mid/side or left/right processing for detailed stereo control
• Full surround sound and Dolby Atmos (up to 9.1.6) support with intelligent speaker selection
• Large interactive EQ display with multi-band selection, editing, and intuitive features like Spectrum Grab and EQ Sketch to draw EQ curves
• Extensive filter shapes including Bell, Notch, High/Low Shelf, High/Low Cut, Band Pass, Tilt Shelf, Flat Tilt, and All Pass
• Features such as auto gain, gain scaling, piano roll display for quantizing frequencies, phase invert, and intelligent solo mode
• Instance List to manage multiple Pro-Q 4 instances conveniently in a session
• Highly optimized CPU usage allowing use of hundreds of instances
• Resizable Retina interface with full-screen mode and customizable scaling
• MIDI Learn, undo/redo, A/B comparison, Smart Parameter Interpolation, and sample-accurate automation

Compatibility and Formats

Available as VST, VST3, Audio Units, CLAP, AAX Native, and AudioSuite plug-ins. Compatible with Windows (Vista and later) and macOS (10.13 and later, including Apple Silicon). Also available as an iOS app for iPad.

Additional Information

FabFilter Pro-Q 4 includes extensive documentation and tutorials, including an interactive help file and tutorial videos. It has received numerous industry awards recognizing its sound quality and interface design.