Steinberg Halion 5, Software-Sampler, 192 kHz Resolution, 32 Stereo-Out, 6-Channel Surround Support,multi-timbral audio engine with disk-streaming sample playback, tone-wheel organ simulator and high-end virtual analog and granular synthesis, Slicing Mode, FlexPhraser, MIDI Modules, build-in Instruments and Effects, 15 GByte Sound-Library, supported Formats: VST/AU/Stand alone, for WIN 7/8 and MAC OSX 10.7 or higher, Attention - USB-Steinberg Key required (not included)