Fidelity Media says it has added over 40 improvements to its MegaSeg v4.5 DJ mixer and radio automation system, including Leopard compatibility. Version 4.5 also adds drag-and-drop support for iTunes, improved compatibility with multiple audio sources, MIDI control functions and presets and support for the Apple Remote. MegaSeg is a professional DJ application, supporting regular or beat-mixed segues between songs or music videos, sound effects via hot keys, scheduled playlists and other automated features.

MegaSeg is Universal Binary requiring Mac OS X 10.3 or higher with at least 512MB RAM and a 600MHz processor. Version 4.5 is a free upgrade from version 4.0, while owners of earlier versions can upgrade for $80. MegaSeg 4.5 retails for $250.