Toontrack EZ drummer Upgrade From Lite - 16bit/44.1kHz drum plug-in with 7,500 sound files (equivalent to 5GB of uncompressed WAV files), TPC II reduces system requirements to a minimum of 1.5GB, internal mixer allows stereo and multi-track routing into the host through one single plug-in, humanizer function, includes over 6,000 MIDI files (possible to add your own MIDI files to the library). Compatible with Mac and PC. VST, AU & RTAS formats.