Pro-Q 4

Pro • Q4
Highest possible sound quality, unrivalled interface workflow

Unrivalled sound and workflow
An equalizer is probably the tool you use most while mixing and mastering, so you need the best of the best. FabFilter Pro-Q 4 delivers with the highest possible sound quality, a very extensive feature set, and a gorgeous, innovative interface with unrivalled ease of use.

Mixing and mastering features
Pro-Q 4 offers everything that a demanding engineer could wish for: top-quality linear phase operation in addition to the zero latency and unique Natural Phase modes, smooth dynamic and spectral EQ, per-band mid/side processing, full surround support (up to Dolby Atmos 9.1.6), an intelligent solo feature, optional Auto Gain and a built-in, fully customizable spectrum analyzer.

Effortlessly sculpt your sound
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 add or sketch bands where you need them, enable dynamic EQ for any band, and select and edit multiple bands at once.

Unique features like Spectrum Grab, Full Screen mode and EQ Match will speed up your workflow even more. Try it yourself!

FabFilter goodies
Of course, you also get all the usual FabFilter goodies: perfectly tuned knobs, interactive MIDI Learn, undo/redo and A/B switch, Smart Parameter Interpolation for smooth parameter transitions, an extensive help file with interactive help hints, sample-accurate automation, advanced optimization and much more.
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Key features

• improved Highest possible sound quality
• Up to 24 EQ bands
• improved Optional Dynamic EQ mode for all bands (Bell and Shelf shapes), with adjustable attack and release, optional side-chain filtering and external triggering
• new 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
• new EQ Sketch: just draw the desired EQ curve in one go to setup initial EQing
• improved Continuous slope setting up to 96 dB/oct for all filter types and ultra-steep 'Brickwall' slope setting for LP and HP filters
• new Work fast and efficiently: use the Instance list to view and control any other Pro-Q 4 instance in your session
• improved Gorgeous Retina interface with large interactive EQ display, multi-band selection and editing for maximum ease of use and efficiency
• Per-band mid/side or left/right processing, so you can EQ the mid, side, left or right signals separately
• improved Operates in zero latency mode, high quality linear phase mode with adjustable latency or the unique Natural Phase mode
• new Use the Gentle and Warm Character modes to add analog warmth to your mixes
• Spectrum Grab: just grab and adjust a peak in the real-time spectrum analyzer right away!
• Resizable interface, full screen mode and customizable scaling
• improved Filter shapes: Bell, Notch, High/Low Shelf, High/Low Cut, Band Pass, Tilt Shelf, Flat Tilt and All Pass
• improved EQ Match feature to automatically match the spectrum of another Pro-Q 4 instance or an external signal
• improved Built-in spectrum analyzer with Pre-EQ, Post-EQ and external spectrum visualization, adjustable range, speed, resolution, tilt, freeze and collision detection
• Auto Gain and Gain Scale
• Optional piano roll display to quantize EQ frequencies to musical notes
• Flat Tilt filter shape, a flat tilting correction curve over the whole audible frequency spectrum
• Different display ranges: 3 dB and 6 dB ranges for mastering, 12 dB and 30 dB for mixing
• Intelligent solo mode makes it easy to find problem frequencies and hear the effect of a band
• Phase Invert option to change polarity
• Extreme CPU optimization: Pro-Q 4 uses very little CPU and memory, so you can use hundreds of instances in a session
• new Copy and paste EQ bands or presets between plug-in instances
• Supports common Pro Tools hardware control surfaces
• Double-click text entry of parameter values
• MIDI Learn with option to control the currently active band
• GPU-powered graphics acceleration
• Large output level meter with peak level readout
• Undo/redo and A/B comparison
• Smart Parameter Interpolation
• Sample-accurate automation of all parameters
• Extensive help file with interactive help hints
• Available in VST, VST3, Audio Units, CLAP, AAX Native and AudioSuite formats