EWI USB MIDI Controller | Akai Pro,AKAI professional EWI,EWI USB MIDI Controller | Akai Pro,Amazon.com: AKAI Professional EWI USB - Electronic Wind Instrument and MIDI controller, with Plug-and-play Connectivity and Garritan Sound Library : Musical Instruments,AKAI professionalのMIDIウィンド・シンセサイザー、EWI USBのご紹介です。