9.3Essential
FabFilter Pro-Q 4 is an equalizer plug-in with up to 24 bands, dynamic EQ, spectral dynamics, and linear/natural/zero-latency phase modes.
Plugin comparison
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
FabFilter Pro-Q 4 is an equalizer plug-in with up to 24 bands, dynamic EQ, spectral dynamics, and linear/natural/zero-latency phase modes.
TEQ-6P is Rocksolid Audio's six-band valve EQ that solves the circuit in real time. Standard $109, Unique $159. VST3, AU, AAX on Mac and Windows.
Technical matrix
| Signal | FabFilter Pro-Q 4 | Rocksolid Audio TEQ-6P |
|---|---|---|
| Price | $199 | $109 / $159 Unique |
| Dubspot Score | 9.3 | — |
| Formats | VST, VST3, AU, CLAP, AAX Native, AudioSuite | VST3, AU, AAX |
| EQ bands | Up to 24 bands | — |
| Filter shapes | Bell, Notch, High/Low Shelf, High/Low Cut, Band Pass, Tilt Shelf, Flat Tilt, All Pass | — |
| Filter slope | Up to 96 dB/octave, plus Brickwall option for LP/HP | — |
| Processing modes | Zero latency, Natural Phase, Linear Phase, plus Gentle/Warm character modes | — |
| Dynamic processing | Dynamic EQ and spectral dynamics with adjustable attack/release | — |
| Channel modes | Mid/side and left/right; surround up to Dolby Atmos 9.1.6 | — |
| Type | — | Six-band parametric valve EQ |
| Engine | — | Real-time circuit simulation |
| Editions | — | Standard $109 / Unique $159 |
| Formats | — | VST3, AU, AAX |
| System | — | macOS 13–26, Windows 10–11 |
| Trial | — | 14 days, no card; free demo |
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