8.1Great
Slate Digital Fresh Air is a free (or bundle-included) air and presence enhancer for adding high-end clarity to mixes and masters.
Plugin comparison
Slate Digital Fresh Air vs FabFilter Pro-L 2
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
9.2Essential
FabFilter Pro-L 2 is a true peak limiter plug-in with multiple limiting algorithms and extensive loudness metering.
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 | Slate Digital Fresh Air | FabFilter Pro-L 2 |
|---|---|---|
| Price | Free | $199.00 |
| Dubspot Score | 8.1 | 9.2 |
| Formats | VST3, AU, AAX | VST, VST3, Audio Units (AU), CLAP, AAX Native, AudioSuite |
| Type | High-end enhancer / exciter-style tool | — |
| Developer | Slate Digital | — |
| Typical price | Free (confirm current offer) | — |
| Formats | VST3, AU, AAX | — |
| Primary job | Add air and presence | — |
| Catalog status | Current as of 2026 | — |
| 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 |
See the full plugin database for more comparisons.