FabFilter Pro-C 2 vs Tone Projects Unisum

Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.

Effect

FabFilter Pro-C 2

FabFilter

8.7
Great
Effect

Tone Projects Unisum

Tone Projects · $199

9.0
Essential

Which should you buy?

On the Dubspot Score, Tone Projects Unisum comes out ahead (9.0). That said, the right pick depends on your workflow and budget — read both reviews before deciding.

Specs compared

FabFilter Pro-C 2Tone Projects Unisum
Price$199
Dubspot Score8.79.0
FormatsVST, VST3, CLAP, AU (Audio Units), AAX Native, AudioSuiteVST3, AU, AAX
Compression styles8 styles (3 original v1 styles plus 5 new in v2: Clean, Classic, Opto, Vocal, Mastering, Bus, Punch, Pumping)
OversamplingUp to 4x internal oversampling
Side chainSide-chain EQ section plus external side-chain triggering
Stereo handlingVariable stereo linking and mid/side processing (mid-only, side-only, M>S, S>M)
PlatformsWindows and macOS, 32-bit and 64-bit hosts
Audition triggeringAudition Triggering option to hear which parts of the audio are triggering compression
TypeMastering / mix bus compressor (digital)
TopologyClean wideband compression + flexible multi-band detector scheme
Key characterOptional HYGGE circuit (level/frequency-dependent saturation inspired by tubes/transformers)
Envelope toolsMemory Effect (program dependency), Transient Override, parallel secondary envelope, variable attack/release curves (linear↔log release)
Transfer curveKnee, GR Limit, Linearity; frequency-dependent Threshold/Ratio options via detector design
StereoStereo or Mid/Side; continuously variable channel linking with advanced link filters/limits
Sidechain filtersHPF, LPF, emphasis/dip filters on detector path
ParallelDry/Wet mix
GainLoudness-based Auto-Gain
Quality modesReal-Time through Pristine (high-fidelity linear-phase oversampling)
MetersTrue GR / PPM / VU ballistics options; A/B states; scalable UI
FormatsWindows VST3/AAX; Mac VST3/AU/AAX (64-bit)
Price$199 list (confirm Tone Projects store; free trial available)
Version notev1.1.x line current as of early 2025 per vendor changelog—confirm latest

See the full plugin database for more comparisons.