FabFilter Pro-Q 4 is the ultimate mixing and mastering EQ—a refined evolution of the industry-standard Pro-Q series. Combining surgical precision, musical warmth, and cutting-edge features like Spectral Dynamics, EQ Sketch, and Instance List, Pro-Q 4 sets a new benchmark in equalization. Designed for speed, flexibility, and superior sound quality, it’s the perfect EQ for producers, engineers, and mastering professionals who demand perfection.

Key Features of FabFilter Pro-Q 4

• Advanced EQ Engine: Up to 24 EQ bands with Linear Phase, Zero Latency, and Natural Phase operation for pristine results in any scenario.
• Dynamic EQ for every band: Add compression or expansion per frequency band with adjustable Attack and Release controls, plus external sidechain triggering.
• Spectral Dynamics Mode: Treat problematic frequencies with surgical precision by dynamically reacting only to peaks within the band.
• EQ Sketch: Draw EQ curves freely to instantly set up your starting point—perfect for quick tonal shaping.
• Full immersive audio support: Work in Dolby Atmos® up to 9.1.6 with intelligent speaker selection and surround-aware controls.
• Instance List: Manage and control every Pro-Q 4 instance in your project from one centralized interface.
• EQ Match: Instantly match the tonal balance of any reference track or Pro-Q instance.
• Per-band processing modes: Apply EQ independently to Mid/Side, Left/Right, or Surround channels for ultimate control.
• Analog Character Modes: Add warmth and harmonic richness with Gentle and Warm saturation options.
• All-new filter shapes: Includes Bell, Notch, Shelf, High/Low Cut, Tilt Shelf, Flat Tilt, All Pass, and Brickwall filters with continuous slopes up to 96 dB/oct.
• Intelligent Spectrum Analyzer: View Pre-EQ, Post-EQ, and External spectrums with collision detection, freeze, and customizable range and speed.
• Piano Display: Quantize EQ frequencies to musical notes for perfect pitch-based EQing.
• Smart Solo and Spectrum Grab: Quickly identify and adjust problem frequencies directly in the analyzer display.
• Beautiful Retina interface: Large interactive EQ display with multi-band editing, resizable full-screen mode, and GPU acceleration.
• Extreme CPU efficiency: Optimized for large sessions—run hundreds of instances seamlessly.
• Workflow enhancements: Copy/paste EQ bands, Auto Gain, Gain Scale, double-click text entry, and full Pro Tools surface support.
• Fully documented: Includes interactive help hints, undo/redo, A/B comparison, and Smart Parameter Interpolation.
• Cross-platform compatibility: Available in VST, VST3, AU, CLAP, AAX Native, and AudioSuite formats for macOS and Windows.

Example Use Cases of FabFilter Pro-Q 4

• Mix Engineers: Sculpt frequencies with surgical accuracy, remove resonance, or balance complex mixes with real-time visual feedback.
• Mastering Engineers: Use linear phase mode and gentle slopes for transparent, musical mastering EQ.
• Producers: Shape tones quickly using EQ Sketch, add warmth with analog character modes, and match references with EQ Match.
• Sound Designers: Create evolving textures with dynamic EQ modulation and Spectral Dynamics for precise harmonic control.
• Post-Production Specialists: Achieve clarity and tonal balance in dialogue, Foley, and music stems for immersive formats like Dolby Atmos.

Why Choose FabFilter Pro-Q 4?

FabFilter Pro-Q 4 is more than just an equalizer — it’s a complete tonal shaping ecosystem. With unmatched flexibility, stunning visual feedback, and workflow innovations like EQ Sketch and Instance List, it empowers you to mix and master with speed and confidence. Whether you’re a mastering engineer chasing perfection or a producer sculpting creativity, Pro-Q 4 delivers precision, warmth, and inspiration in every curve.