FabFilter Pro-Q 4

Equalizer Plug-In

• 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

FabFilter Pro-Q 4 is an extremely powerful EQ plugin with a host of advanced features for creative mixing and mastering applications. Probably the most widely used EQ in the world, FabFilter Pro-Q 4 is designed for both professionals and hobbyists, combining intuitive usability with industry-leading precision. With 24 bands and new advanced features such as EQ Sketch for intuitive curve creation and Instance List for simultaneous monitoring of multiple windows plugins, Pro-Q 4 makes complex operations effortless.

The new implementation of Spectral Dynamicrophone enables timely suppression of resonant frequencies, and improved dynamic EQ attack and release parameters provide detailed control over sounds, while stereo processing for band, mid/side, and left/right provides complete stereo control. GUI improvements, such as the new Piano Display, align EQ adjustments with musical notes without altering the main interface for which FabFilter is known. Support for Dolby Atmos 9.1.6 makes it perfect for immersive multimedia projects in broadcast or post-production. Additional features such as EQ Match, Spectrum Grab, and Character modes simplify editing and add tonal versatility. Whether mixing or mastering, Pro-Q 4 offers unparalleled flexibility and pristine sound quality.

Effortless curve creation
FabFilter Pro-Q 4's EQ Sketch feature revolutionizes the way you shape sound by allowing you to draw custom EQ curves directly on the interface. This intuitive approach makes it faster and easier to adjust complex frequencies, helping you stay focused on your creative vision. Ideal for both precise corrections and tone shaping, EQ Sketch fits into your workflow with exceptional ease.

Seamless session management
Managing multiple instances of Pro-Q 4 within a session is incredibly easy with the Instance List feature. This innovative feature consolidates all active instances of the plugin into one easily accessible panel, allowing quick navigation and efficient control. Whether you are fine-tuning a single track or working on a large project, the Instance List ensures you maintain organization and control at every stage.

Spectral Dynamics Smoothing
Spectral Dynamicrophone is a powerful addition to Pro-Q 4, offering precise control over specific frequency issues without affecting the overall balance of the mix. Paired with the plugin's refined Dynamic EQ, you get smooth attack and release options that ensure natural, transparent processing. These tools are essential for taming problematic and harsh resonant frequencies and improving sonic clarity in various audio applications.

Immersive mixing with Dolby Atmos 9.1.6 support
FabFilter Pro-Q 4 is built for immersive audio workflows, offering full support for Dolby Atmos 9.1.6. Whether you're working on surround sound projects or creating spatial audio, this feature ensures precise control and seamless integration. In addition, stereo, mid/side and left/right processing per band provides the flexibility to customize audio placement, making Pro-Q 4 the ideal solution for advanced mixing environments.

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.