YAMAHA MU-90 Sound Module GM XG w/AC Adapter Used Operation confirmed from Japan. It will arrive in 3 -7 days. International Buyers - Please Note. The item "YAMAHA MU-90 Sound Module GM XG withAC Adapter Used Operation confirmed from Japan" is in sale since Tuesday, January 12, 2021.This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Synthesizers". The seller is "psychedelic0327" and is located in Gifu. This item can be shipped worldwide.