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.
A British-style tone-shaping EQ plugin with transformer saturation modes for color and detail on any source.
Score verdict
On the Dubspot Score, FabFilter Pro-Q 4 comes out ahead (9.3). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
| Signal | FabFilter Pro-Q 4 | Kiive Audio VX-Q |
|---|---|---|
| Price | $199 | $39.00 |
| Dubspot Score | 9.3 | 8.5 |
| 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 | — | Tone-shaping EQ with transformer saturation |
| Saturation modes | — | 5 unique transformer combos |
| Saturation controls | — | Adjust THD, rebalance even/odd harmonics, filter saturation |
| macOS support | — | macOS 10.14+, 64-bit, native M1; VST3, AU, AAX |
| Windows support | — | Windows 7+, 64-bit; VST3, AAX |
| Minimum system | — | 1 GHz Intel Dual Core / AMD equivalent, 4GB RAM |
See the full plugin database for more comparisons.