The Universal Audio Capitol Mastering Compressor gives you the rich sound of the CM5511—a legendary handbuilt tube mastering compressor designed and used by Capitol Studios on historic catalogs and thousands of hit records. Now you can get the same professional finishing touch previously only available at Capitol Studios.

The Exclusive Sound of Capitol Mastering
The CM5511 compressor has mastered entire catalogs from Capitol, Motown, Geffen, Blue Note, Def Jam, and dozens more, as well as modern records by Black Sabbath, Demi Lovato, and Selena Gomez. Inspired by vintage Fairchild 670 and Gates Sta-Level tube limiters—and designed for consistent results across Capitol's four mastering rooms—Capitol Mastering Compressor is an exacting emulation of this "spare no expense" hardware, giving you the modern tube-based sound of this custom-made dynamics masterpiece.

Expanded Controls for Complete In-the-Box Mastering
Easily tighten low end, add subtle saturation, and tweak the stereo field with easy-to-use "plug-in only" controls. Plus, comprehensive dBFS and LUFS metering and sidechain filter means you have a full-featured, modern mastering tool at your fingertips.

Add Expensive Sound to your Instrument Groups
Not just for the 2-bus, the Capitol Mastering Compressor will add its tube-based magic to your drum bus, synths, background vocals, and more, giving you the gorgeous dynamics control only achievable with this one-of-a-kind, hit-proven hardware.