Virtual Studio – Free and simple Monitoring Utility VST/AU Plugin By Beyerdynamic
The plug-in virtually simulates real speaker systems (such as stereo or 5.1) in various environments (recording studio, concert halls, etc.) on your headphones.
Virtual Studio is available for free download via Beyerdynamic (19.2MB download size, 32-bit & 64-bit VST/AU plugin format for Windows & Mac).
You have to Register at Beyerdynamic, after Registration here , You get a Download Link via E-Mail.