Stage piano module with USB MIDI hosting. When players want to convert their standalone MIDI controller into a stage piano, free from the restrictive encumbrance of a laptop computer, the M-Audio Accent Module is the perfect solution. This compact unit easily connects to any USB or 5-pin MIDI controller. With 20 built-in voices, it has the ability to split or layer two voices simultaneously, plus it includes the superb, world-renowned AIR Steinway Piano and AIR Structure VSTs.