Akai MP9-II Akai MP9-II Description: AC Adaptor for EWI4000S (Optional) & E2 (Included) - Can use MP9-3 The MP9-II from Akai is an optional AC adaptor for use with the EWI4000S wind controller. The MP9-3 from Akai is a 9VDC (95mA) optional power supply for the MPD16 pad controller. Get your Akai MP9-II today!
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