What is it?
The second plug-in in RTW’s Masterclass PlugIns line of software-based audio metering solutions.
Mastering Tools brings extensive analysis and display functions for mastering, metering and loudness measurement for single- and up to eight-channel applications as a plug-in for Windows and Mac OS platforms.
And another thing:
The Masterclass PlugIns range provides users with software versions of some of RTW’s most popular metering and measurement solutions.