8.7Great
FabFilter Pro-DS is a de-esser plug-in with two detection modes and wide-band or split-band processing for taming sibilance in vocals and audio.
Plugin comparison
FabFilter Pro-DS vs iZotope RX 11
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
iZotope's industry-standard audio restoration software for repairing, de-noising, and editing audio; the official page now sells RX 12 (RX 11 is superseded).
Score verdict
Which should you buy?
On the Dubspot Score, iZotope RX 11 comes out ahead (8.9). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | FabFilter Pro-DS | iZotope RX 11 |
|---|---|---|
| Price | $199.00 | $99 |
| Dubspot Score | 8.7 | 8.9 |
| Formats | VST, VST3, AU (Audio Units), AAX Native, AudioSuite, CLAP | VST3, AU, AAX, AAX AudioSuite, AU ARA, VST3 ARA, Standalone application |
| Detection modes | Two modes: Single Vocal and Allround | — |
| Processing | Wide Band or linear-phase Split Band | — |
| Look-ahead | Optional, up to 15 ms | — |
| Oversampling | Up to 4x linear-phase oversampling | — |
| Stereo handling | Adjustable stereo linking with mid-only or side-only processing | — |
| Internal processing | 64-bit, with sample-accurate automation of all parameters | — |
| Editions | — | Elements, Standard, Advanced (plus RX Post Production Suite 9) |
| Tools / modules | — | 50+ specialized modules in the standalone editor and 20+ plugins that load in a DAW or NLE |
| Plugin architecture | — | 64-bit only across all formats |
| macOS support | — | macOS Sonoma (14.7), Sequoia (15.7), Tahoe (26.2); Intel and Apple silicon (Native & Rosetta) |
| Windows support | — | Windows 10 (22H2) and Windows 11 (24H2) |
See the full plugin database for more comparisons.