Freedom251 › Audio Mastering Software
FabFilter Pro-L 2

What FabFilter Pro-L 2 is
FabFilter Pro-L 2 is a true-peak limiter plug-in for mixing and mastering, intended to control loudness while keeping sound transparent. It offers eight limiting algorithms, precise true-peak level meters, and loudness metering for EBU R128, ITU-R BS.1770-4, ATSC A/85, and TR-B32. Linear-phase oversampling can be set up to 32x. For immersive audio, it supports formats up to Dolby Atmos 9.1.6 and flexible surround-channel linking. Other controls include adjustable look-ahead, attack, and release, external side-chain triggering, an optional DC offset filter, and dithering with three noise-shaping algorithms. FabFilter lists VST, VST3, Audio Units, CLAP, AAX Native, and AudioSuite formats. Desktop requirements include Windows Vista through Windows 11, or macOS 10.13 or later on a 64-bit Apple Silicon or Intel processor; both require a compatible plug-in host or Pro Tools. The product page links to an iPad version through the Apple App Store. Downloads are fully functional for a 30-day trial and can be unlocked with a license key. Support includes help files, manuals, FAQs, a forum, and email assistance.
Who it suits
Pro-L 2 suits audio professionals and producers who need true-peak limiting and loudness metering in mixing or mastering workflows. Its surround support also serves immersive-audio work.
What it does well
- Eight limiting algorithms with distinct purposes.
- Oversampling available up to 32x.
- Supports Dolby Atmos formats up to 9.1.6.
- Metering includes EBU R128, ITU-R BS.1770-4, and ATSC A/85.
- Fully functional 30-day trial is available.
What to know first
- No free plan is listed.
- Desktop use requires a compatible plug-in host or Pro Tools.
- macOS requires version 10.13 or later.
Limits
The fully functional trial lasts 30 days; a license key is needed to unlock it after that period. The facts do not give a price for the paid license.
Getting started
- Visit the FabFilter Pro-L 2 product page.
- Choose the download for Windows or macOS, or follow the page's iPad App Store link.
- On desktop, use a compatible plug-in host or Pro Tools.
- Evaluate the fully functional trial for up to 30 days.
- Unlock the software with a license key after the evaluation period.
Verdict
Pro-L 2 combines true-peak limiting, standards-based loudness metering, and processing options for stereo and immersive work. The 30-day trial offers an evaluation period, while desktop use depends on a compatible host.
Questions
Is FabFilter Pro-L 2 free?
No free plan is listed. FabFilter offers a fully functional 30-day trial that can be unlocked with a license key.
Which platforms does it support?
The listed platforms are Windows, macOS, and iPadOS/iOS. Desktop use requires a compatible plug-in host or Pro Tools.
Which plug-in formats are available?
FabFilter lists VST, VST3, Audio Units, CLAP, AAX Native, and AudioSuite formats.
What loudness standards does its metering support?
The listed standards are EBU R128, ITU-R BS.1770-4, ATSC A/85, and TR-B32.
What does the trial include?
Downloads are fully functional for 30 days. A license key unlocks the product after the evaluation period.
What support does FabFilter offer?
FabFilter provides help files, PDF manuals, FAQs, a user forum, and sales and technical support by email.
Facts from FabFilter Pro-L 2's own pages
- Additional processing
- Features include dithering with three noise-shaping algorithms, an optional DC offset filter, and external side-chain triggering for stem mastering. · fabfilter.com, 7 Oct 2026
- Bundles
- The product page lists Pro-L 2 as included in the Total, FX, and Pro bundles. · fabfilter.com, 7 Oct 2026
- Company
- FabFilter B.V. lists its address as Keizersgracht 467, 1017 DK Amsterdam, The Netherlands; the about page does not state a founding year. · fabfilter.com, 7 Oct 2026
- Current listed version
- The download page lists Pro-L 2 version 2.26, dated April 16, 2026. · fabfilter.com, 7 Oct 2026
- Founded
- 2004 · fabfilter.com, 28 Sept 2026
- Free trial
- FabFilter says downloads are fully functional 30-day trial versions that can be unlocked with a license key after the evaluation period. · fabfilter.com, 7 Oct 2026
- Headquarters
- Amsterdam, Netherlands · fabfilter.com, 28 Sept 2026
- Host requirements
- The product page lists Windows 11, 10, 8, 7, or Vista and macOS 10.13 or higher; macOS requires a 64-bit Apple Silicon or Intel processor. · fabfilter.com, 7 Oct 2026
- iPad availability
- The product page links to Pro-L 2 on the iPad through the Apple App Store. · fabfilter.com, 7 Oct 2026
- Limiting algorithms
- It includes eight limiting algorithms, each with its own character and purpose. · fabfilter.com, 7 Oct 2026
- Loudness metering
- Its loudness metering supports EBU R128, ITU-R BS.1770-4, and ATSC A/85 standards. · fabfilter.com, 7 Oct 2026
- macOS requirements
- The listed macOS requirement is macOS 10.13 or higher on a 64-bit Apple Silicon or Intel processor, with a compatible plug-in host or Pro Tools. · fabfilter.com, 7 Oct 2026
- Other processing features
- Features include an optional DC offset filter, external side-chain triggering, dithering with three noise-shaping algorithms, and adjustable look-ahead, attack, and release settings. · fabfilter.com, 7 Oct 2026
- Oversampling
- It supports up to 32x linear-phase oversampling. · fabfilter.com, 7 Oct 2026
- Plug-in formats
- FabFilter lists Pro-L 2 in VST, VST3, Audio Units, CLAP, AAX Native, and AudioSuite formats. · fabfilter.com, 7 Oct 2026
- Purpose
- Pro-L 2 is a true-peak limiter for mixing and mastering, designed for loudness and transparent sound. · fabfilter.com, 7 Oct 2026
- Security and compliance
- The product page names loudness-metering standards EBU R128, ITU-R BS.1770-4, and ATSC A/85; the pages reviewed provide no security or compliance certification claim. · fabfilter.com, 7 Oct 2026
- Support
- FabFilter offers help files, PDF manuals, FAQs, a user forum, and direct sales and technical support by email; it says it aims to answer emails within one working day. · fabfilter.com, 7 Oct 2026
- Surround
- It supports immersive audio up to Dolby Atmos 9.1.6 with flexible surround channel linking. · fabfilter.com, 7 Oct 2026
- Surround audio
- It supports immersive and Dolby Atmos formats up to 9.1.6, with flexible surround channel linking. · fabfilter.com, 7 Oct 2026
- Trial
- FabFilter says its downloads are fully functional 30-day trial versions that can be unlocked with a license key after the evaluation period. · fabfilter.com, 7 Oct 2026
- True peak
- It provides true peak limiting and precise true peak level meters. · fabfilter.com, 7 Oct 2026
- Windows requirements
- The listed Windows requirements are Windows 11, 10, 8, 7, or Vista, in 32-bit or 64-bit, with a compatible plug-in host or Pro Tools. · fabfilter.com, 7 Oct 2026
Where FabFilter Pro-L 2 stands on Freedom251
- Audio Mastering Software#12 of 33
