9.2Essential
FabFilter Pro-L 2 is a true peak limiter plug-in with multiple limiting algorithms and extensive loudness metering.
Plugin comparison
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
FabFilter Pro-L 2 is a true peak limiter plug-in with multiple limiting algorithms and extensive loudness metering.
TDR Kotelnikov is Tokyo Dawn Labs' free wideband dynamics processor for transparent mix-bus and mastering compression with separate peak and RMS release.
Score verdict
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
| Signal | FabFilter Pro-L 2 | TDR Kotelnikov |
|---|---|---|
| Price | $199.00 | Free |
| Dubspot Score | 9.2 | 8.5 |
| Formats | VST, VST3, Audio Units (AU), CLAP, AAX Native, AudioSuite | VST2, 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 | — | Wideband dynamics processor / bus compressor |
| Version | — | 1.6.7 |
| Processing | — | 64-bit multi-rate; delta-oversampled path |
| Key controls | — | Crest-factor scheme with separate peak and RMS release |
| Formats | — | VST2, VST3, AAX (Win 64-bit); VST2, VST3, AU, AAX (Mac 64-bit) |
| System | — | Windows 7+; macOS 10.9+; OpenGL support |
| Paid upgrade | — | TDR Kotelnikov GE (Gentleman's Edition) |
See the full plugin database for more comparisons.