FabFilter Pro-Q 4 Upgrade

Upgrade version from FabFilter Pro-Q 1-3 to FabFilter Pro-Q 4

• Highest possible sound quality
• Up to 24 EQ bands
• Universal filter slope support for all filter types, up to 96 dB/oct
• Auto Gain and Gain Scale
• Optional piano roll display to quantize EQ frequencies to musical notes
• 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
• Large output level meter with peak level readout
• Operates in zero latency mode, linear phase mode with adjustable latency or the unique Natural Phase mode
• Different interface sizes and additional Full Screen mode
• Extreme CPU optimization: Pro-Q 3 uses very little CPU and memory, so you can use hundreds of instances in a session
• GPU-powered graphics acceleration
• Double-click text entry of parameter values
• Supports common Pro Tools hardware control surfaces
• 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, AAX Native and AudioSuite formats (all both 64-bit and 32-bit)
• Optional Dynamic EQ mode for all bands (Bell and Shelf shapes), using any slope setting and with perfect analog matching, with optional external side chain triggering
• Gorgeous Retina interface with large interactive EQ display, multi-band selection and editing for maximum ease of use and efficiency
• 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
• EQ Match feature to automatically match the spectrum of another Pro-Q 3 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
• External spectrum visualization from any other Pro-Q 3 instance, including collision detection
• Per-band mid/side or left/right processing, so you can EQ the mid, side, left or right signals separately
• Flat Tilt filter shape, a flat tilting correction curve over the whole audible frequency spectrum
• Spectrum Grab: just grab and adjust a peak in the real-time spectrum analyzer right away!
• MIDI Learn with option to control the currently active band
• Full surround support (up to Dolby Atmos 9.1.6) with intelligent speaker selection

The FabFilter Pro-Q 4 Upgrade lets existing users of FabFilter Pro-Q 3 to upgrade to the latest and greatest version of Pro-Q. FabFilter Pro-Q 4 is a massively powerful EQ plugin with an array of advanced features for creative mixing and mastering applications. Designed for professionals and hobbyists alike, it combines intuitive usability with industry-leading precision. With 24 bands and new advanced features like EQ Sketch for intuitive curve creation and the Instance List to monitor multiple plugin windows simultaneously, Pro-Q 4 makes complex tasks feel effortless.

Newly implemented Spectral Dynamics enables pinpoint resonant frequency suppression and improved dynamic EQ attack and release parameters provide detailed control over your sounds, while per-band stereo, mid/side, and left/right processing ensure complete stereo control. GUI enhancements such as the new Piano Display aligns EQ adjustments with musical notes without altering the core interface that FabFilter is known for. Support for Dolby Atmos 9.1.6 makes it perfect for immersive media projects across broadcast or post-production. Additional features like EQ Match, Spectrum Grab, and Character modes streamline editing and add tonal versatility. Whether mixing or mastering, Pro-Q 4 offers unparalleled flexibility and pristine sound quality.

Please Note: This product requires an existing licence of Pro-Q 1, Pro-Q 2 or Pro-Q 3 and comes in the form of a digital download code that will be sent to your email for activation.

Requirements

Windows

• Windows 11, 10, 8, 7 or Vista
• 64-bit or 32-bit
• VST 2/3 or CLAP host, or Pro Tools

macOS

• macOS 10.13 or higher (64-bit only)
• AU, VST 2/3 or CLAP host, or Pro Tools
• Apple Silicon or Intel processor

Plug-in formats

All FabFilter plug-ins are available in :

• VST
• VST3
• Audio Units
• CLAP
• AAX Native and AudioSuite formats.