MP3 Surround Player
plays MP3 Surround files with and w/o MP3 Stereo eXtended (MP3 SX) technology as well as standard MP3 stereo files on your multichannel soundcard. MP3 Surround files can be rendered for headphone reproduction with the Ensonido technology.
Start MP3sPlayer and open an MP3 (Surround) file or just drag it onto the player window.
Version 3.0 adds shoutcast streaming: The demoware player now supports streaming of shoutcast streams encoded in stereo or surround.
Mac OS X 10.4 or later