Checked September 2026

FabFilter
FabFilter Pro-MB review
Compression
Multiband compressor and expander with freely positioned processing bands. Best for surgical multiband dynamics. Price: $199 one-time.
Key features
- Up to six freely positioned bands
- Dynamic Phase mode with zero latency
- Linear and minimum phase options
- Up to 4x linear-phase oversampling
- Per-band threshold, ratio, attack, release, knee and lookahead
- Crossover slopes 6 to 48 dB/oct
Pros
- Intuitive band creation
- 30-day trial
Cons
- Premium price
FabFilter Pro-MB alternatives
Free three-band upward/downward multiband compressor originally from Ableton's Multiband Dynamics preset.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedProfessional compressor plug-in with 14 compression styles and full Dolby Atmos support.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supportedDynamic resonance suppressor that automatically detects and reduces harshness and resonances.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Sources: www.fabfilter.com