Amazon.com: MyVolts 12V Power Supply Adaptor Compatible with/Replacement for Yamaha PSR-550 Keyboard - US Plug with Extension and ON/Off Switch : Tools & Home Improvement
Amazon.com: AC Adapter Works with Compatible with Yamaha PSR-340 PSR-530 PSR -550 Keyboard Charger Power Payless : Musical Instruments
Power Supply Replacement for YAMAHA PSR-550 KEYBOARD ADAPTER UK 12V | Reverb
PSR-550 - Yamaha PSR-550 - Audiofanzine
KONKIN BOO Compatible AC Adapter Replacement for Yamaha PSR-340 PSR-530 PSR- 550 Keyboard Power Supply Cord Charger - Walmart.com
PKPOWER 6.6ft Cable AC Adapter Fits Yamaha PSR-340 PSR-530 PSR-550 Keyboard Charger Power Supply - Walmart.com