FabFilter Pro-C 2 vs Softube Saturation Knob

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

Effect

Softube Saturation Knob

Softube · Free

8.2
Great

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Which should you buy?

On the Dubspot Score, FabFilter Pro-C 2 comes out ahead (8.7). That said, the right pick depends on your workflow and budget — read both reviews before deciding.

Specs compared

FabFilter Pro-C 2Softube Saturation Knob
PriceFree
Dubspot Score8.78.2
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
Product typeeffect from Softube
DeveloperSoftube
Typical priceFree
FormatsVST3, AU, AAX
Primary jobfocused effect work in modern sessions
Catalog statusCurrent as of 2026

See the full plugin database for more comparisons.