It's a compact, portable, USB-powered MIDI solution that delivers the right number of sounds and works with your computer no matter what its age. Connects through USB or serial ports. Small size makes it easy to connect and create music anywhere. Includes a 32-part MIDI synthesizer with 64-voice polyphony. 660 preset sounds and 23 drum sets in GM2/GS, XGlite provide realistic sounds for all genres from classical to pop. Optical S/PDIF output. Includes reverb and chorus. 8"W x 1-7/16"H x 6-5/16"D. Includes USB cable.

Edirol SD-20 Studio Canvas MIDI Sound Module Specifications:

• System requirements Macintosh:
• Operating system: Mac OS 8.5, 8.6, 9.x and OS X
• Computer: USB-ready Apple Macintosh
• CPU/clock: PowerPC G3/233MHz or higher
• Memory (RAM): 64MB or more
• OMS 2.3.3 or later, FreeMIDI 1.35 or later
• System requirements Windows:
• Operating system: Microsoft Windows Me/98/98SE/2000/XP
• Computer: Windows compatible equipped with a USB port (with compatible USB host controller)
• CPU/clock: Pentium processors, 200MHz or higher
• Memory (RAM): 32MB or more

Edirol SD-20 Studio Canvas MIDI Sound Module Features:

• 32-part, 64-voice polyphony
• Complete studio module including 32-part MIDI synthesizer and 64-voice polyphony for sequencing, karaoke, huge orchestrations, and more
• GM2/MS/XGlite for 660 tones and 23 drum sets
• The standard GM2/GS/XGlite compatible sound selections provide realistic sounds for a variety of music genres
• Optical digital output (S/PDIF) for exceptional MIDI sound quality output not found on other sound modules in its price range
• USB bus powered, adapter-free
• USB connection supplies power as well as data
• Easy connection to computer (serial/USB)
• Tone maps: 3 (classical, contemporary, solo)

Buy it today and use it.