Korg M3-61 Xpanded workstation with 61 semi-weighted keys - EDS-synthesis (Enhanced Definition) from HD-1 engine of OASYS: 4 velocity zones per oscillator with switching, crossfades and layers. MT (multi-modeling technology) sound generator can be added by installing the optional EXB-RADIAS. 256Mb ROM, 1,032 multi-samples, 1,606 drum samples. Karma function as OASYS with 2,093 preset GEs. New 'drum track' function with 522 preset patterns and 1,000 user patterns. 'Open sampling' system up to 320Mb. 16-track MIDI sequencer with 480 PPQ. New multi-function user interface. TouchView display can be used as an X-Y controller. X/Y control finger movements can be recorded in realtime and memorized for each program, combination, or song. 5x insert effects, 2x master effects and 1x total effect are available simultaneously. Expandable with EXB-FW 2 in/6 out digital audio + MIDI FireWire Board, EXB-Radias 24-voice: 4-part multi-timbral RADIAS Synthesizer Board, EXB-M256 256 Mbyte Sample Memory and EXB-USB PCM Sounds. Dimensions: 4.76 x 40 x 14.65inches (HxWxD). Weight: 31.08lbs.