9.2Essential
FabFilter Pro-L 2 is a true peak limiter plug-in with multiple limiting algorithms and extensive loudness metering.
Plugin comparison
FabFilter Pro-L 2 vs Softube Weiss MM-1
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
8.9Great
Softube Weiss MM-1 is a mastering maximizer built from DS1-MK3 algorithms—five styles (Transparent, Loud, Punch, Wide, Deess) driven by Amount and Mix.
Score verdict
Which should you buy?
On the Dubspot Score, FabFilter Pro-L 2 comes out ahead (9.2). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | FabFilter Pro-L 2 | Softube Weiss MM-1 |
|---|---|---|
| Price | $199.00 | $199 |
| Dubspot Score | 9.2 | 8.9 |
| Formats | VST, VST3, Audio Units (AU), CLAP, AAX Native, AudioSuite | VST, VST3, AU, AAX |
| Limiting algorithms | Eight different algorithms | — |
| Oversampling | Up to 32x linear-phase | — |
| Loudness metering standards | EBU R128, ITU-R BS.1770-4, ATSC A/85 | — |
| True peak limiting | Yes | — |
| Surround support | Up to Dolby Atmos 9.1.6 | — |
| Dithering | Advanced, with three noise shaping algorithms | — |
| Type | — | Mastering maximizer (compressor + brick-wall limiter workflow) |
| Algorithm base | — | Weiss DS1-MK3 code-ported dynamics (Softube + Weiss Engineering) |
| Styles | — | Transparent, Loud, Punch, Wide, Deess |
| Primary controls | — | Style, Amount, Parallel Mix, output ceiling / limiter gain (side panel) |
| Architecture | — | Style-defined compression path into brick-wall limiting |
| Stereo notes | — | Wide and Deess styles lean on mid/side-oriented processing; others more conventional stereo |
| Formats | — | AU, VST, VST3, AAX |
| Platforms | — | macOS Sonoma 14 / Sequoia 15 / Tahoe 26; Windows 10–11 64-bit |
| Authorization | — | Softube account + iLok; three activations; trial available |
| List price | — | $199 USD (sales common; confirm Softube store) |
| Related flagship | — | Weiss DS1-MK3 (deeper control; typically includes MM-1) |
See the full plugin database for more comparisons.