A sound module with a wide variety of sound sources and USB/MIDI connectivity. The Roland SC-8850, released in 1999, is the top-of-the-line model in the Sound Canvas (SC) series, a high-performance sound module that led the DTM scene at the time. It features 128-voice polyphony, 64 parts, and a high-quality sound source with over 1600 tones (GS/GM2/XG compatible), and is a silver 2U half-rack model that also supports USB connection. - Model Name: SC-8850 - Connection Terminals: USB, MIDI - Power: AC adapter - Function: Sound module Thank you for viewing. Includes the main unit and power cable only. Power-on and demo sound output have been confirmed.