Yamaha PA-300C 16V Power Supply Adapter For Electric Digital Keyboard Piano (PA300C PA300)
Yamaha PA-30 power supply « Accessories for Mixers
Amazon.com: UL Listed 12V Power Supply Charger Adapter for Yamaha PA130 PA150, AC Adapter for Yamaha PSR YPG YPT DD Series Keyboard - Only Compatible for Listed Models (8.4 Ft Long Cord) :