Steinberg HALion Sonic 2 Edu - Educational Version; only for schools and teacher! Music Production Workstation, more than 2500 Sounds, multi-timbral audio engine with disk-streaming sample playback, tone-wheel organ simulator and high-end virtual analog and granular synthesis, 24 filter types, FlexPhraser, build-in audio effects, MediaBay sound management system, supported Formats: VST/AU/Stand alone, for WIN 7/8 and MAC OSX 10.7 oder higher, Attention - USB-Steinberg Key required (not included).