US 12V Power Adaptor for the Yamaha PSR-EW300 Keyboard by myVolts
Amazon.com: 12V 2A AC/DC Power Supply Adapter for Yamaha PA-130 PA-130B PSR, YPG, YPT, DGX, DD, EZ and P Digital Piano and Portable Keyboard Series Charger Cable (6.6 feet) : Musical Instruments
12V AC Charger Adapter For Yamaha Keyboard YPT-310 | Ubuy India
12V AC Power Adapter Cord For Yamaha PSR-E253 PSR-E263 PSR-E303 Keyboard ChargerのeBay公認海外通販|セカイモン