Cakewalk Studio Instruments ( Windows Macintosh ) Features - Compact, portable USB Bus powered Audio & MIDI solution, perfect for laptop and mobile use 128 polyphony, 1,125 GM2/GS/Mobile Studio Canvas Solo Tones and 32 drum sets Features Mobile Studio Canvas Solo Tones including Shakuhachi, Trombone, and Violin 2-in/2-out, 24-bit/44.1 kHz audio interface with XLR/ inputs/Phantom Power/Hi-Z input, 1 x 1 MIDI interface, and V-LINK support