You can download the trial version of Out Of Your Head below.
It’s a fully functional trial that comes with all of the presets to try. The only limitation is that the audio output will be interrupted after 2 minutes.
(Out Of Your Head currently requires Windows 7 or higher, 64-bit or Mac OS X 10.8 or higher. If you don’t have a compatible system, and you just want to hear some sample output from Out Of Your Head, you can listen to pre-rendered demo files here.)
(Windows version Release Notes)
(Mac OS X version Release Notes)