FabFilter Pro-Q 4 is the latest iteration of FabFilter’s acclaimed equalizer plugin, building upon its predecessors with enhanced features and an intuitive interface. It continues to push the boundaries of equalization technology, blending precision, flexibility and workflow enhancements to empower audio professionals. Ideal for mixing, mastering and sound design, Pro-Q 4 delivers exceptional audio clarity, intuitive control and advanced visual feedback.

• Spectral Dynamics Processing: Dynamically processes specific frequency ranges that exceed defined thresholds, providing unmatched precision.
• EQ Sketch Mode: Quickly draw custom EQ curves directly on the interface, enhancing workflow speed and creativity.
• Instance List Management: Control and edit settings of all Pro-Q 4 instances across your session from a single interface.
• Analog Character Modes: Introduce subtle harmonic saturation with ‘Subtle’ and ‘Warm’ character modes, enriching your audio.
• Dynamic EQ for All Bands: Apply dynamic control with adjustable attack, release, threshold, and optional side-chain input.
• Expanded Filter Shapes: Includes Bell, Notch, Band Pass, High/Low Shelf, High/Low Cut, Tilt Shelf, Flat Tilt, and All Pass filters.
• Ultra-steep Brickwall Filters: Achieve extremely steep filter slopes (up to 96 dB/oct) for surgical frequency removal.
• Linear, Natural & Zero Latency Modes: Choose processing styles to suit precision mastering, mixing tasks, or real-time applications.
• Advanced Spectrum Analyzer: Fully customizable real-time analyzer featuring collision detection, freeze mode, and external signal visualization.
• EQ Match & Reference Capture: Automatically match frequency profiles from reference tracks or target sounds for consistent tonal balance.

• Mid/Side and Stereo Placement: Independently adjust EQ settings per band for mid, side, left, or right signals, enhancing stereo imaging.
• Surround & Dolby Atmos Support: Full support for immersive audio formats, including up to 9.1.6 configurations.
• Piano Roll Frequency Display: Intuitive piano keyboard frequency visualization, ideal for musical precision.
• Auto Gain Compensation: Automatically balances output volume when making EQ adjustments, eliminating loudness bias.
• Band Solo & Frequency Isolation: Quickly isolate and precisely identify problematic frequencies using band solo mode.
• Resizable Retina Interface: Crisp, scalable interface optimized for high-resolution displays and customizable layouts.
• GPU-Accelerated Graphics: Offers smooth, responsive visual feedback with minimal CPU usage, ideal for complex sessions.
• MIDI Learn Functionality: Control EQ parameters using external MIDI hardware for tactile interaction and automation.
• Undo/Redo & A/B Comparison: Easily test different EQ settings with built-in A/B testing and unlimited undo/redo steps.
• External Spectrum Overlay: Visualize and compare external audio signals directly within the analyzer for precise frequency adjustments.

FabFilter Pro-Q 4 stands as the ultimate equalization tool for audio professionals, offering advanced dynamic capabilities, seamless workflow enhancements, and exceptional sonic transparency. Its comprehensive feature set ensures unparalleled control, making Pro-Q 4 a definitive choice for mixing and mastering engineers worldwide.