Plugin comparison

FabFilter Pro-C 2 vs Softube Weiss DS1-MK3

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

Independent score / workflow fit / buying signal

Contenders

The side-by-side

Effect / Softube / Weiss Engineering

Softube Weiss DS1-MK3

$549

9.1Essential

Softube Weiss DS1-MK3 is a line-by-line code port of Weiss’s mastering compressor, limiter, and de-esser—with M/S, band-selective dynamics, and companion plugins.

Score verdict

Which should you buy?

On the Dubspot Score, Softube Weiss DS1-MK3 comes out ahead (9.1). That said, the right pick depends on your workflow and budget — read both reviews before deciding.

Technical matrix

Specs compared

SignalFabFilter Pro-C 2Softube Weiss DS1-MK3
Price—$549
Dubspot Score8.79.1
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 hostsmacOS Sonoma 14 / Sequoia 15 / Tahoe 26; Windows 10–11 64-bit (per Softube matrix)
Audition triggeringAudition Triggering option to hear which parts of the audio are triggering compression—
Type—Mastering compressor / limiter / de-esser (digital dynamics suite)
Origin—Line-by-line code port of Weiss Engineering DS1-MK3 hardware
Licensing—Official Softube collaboration with Daniel Weiss / Weiss Engineering
Core modes—Full-band or band-selective dynamics via linear-phase crossovers
Processing roles—Compressor, limiter (incl. original Safe + newer brick-wall modes), de-esser
Stereo tools—M/S operation, sidechain linking options, parallel compression
Release design—Fast release, slow release, RMS window, release delay (hold before release)
Internal precision (hardware heritage)—40-bit floating-point arithmetic design lineage
Plugin sample rates—Processing sample-rate resolution up to 192 kHz (Softube)
New limiters—Two brick-wall modes beyond original: Type 1 (highest RMS) and Type 2 (true peak)
Formats—AU, VST, VST3, AAX (host dependent)
Authorization—Softube account + iLok account; three activations; 20-day trial; 14-day returns
Bundle includes—DS1-MK3 flagship + MM-1 Mastering Maximizer + Compressor/Limiter + Deess
Hardware context—Original DS1 series is a multi-thousand-dollar mastering staple in pro rooms

See the full plugin database for more comparisons.