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: MyVolts 12V Power Supply Adaptor Compatible with/Replacement for Yamaha PSR-550 Keyboard - US Plug : Tools & Home Improvement
UpBright 16V AC/DC Adapter Compatible with Yamaha PSR S550 S700 S710 S900 S910 Piano Keyboard AW16G Workstation PSR-1100 PSR-2100 OR700 PSR-1500 PSR-2000 AW1600 PSR-A1000 16VDC 2.4A Power Supply Cord
AC Adapter Adaptor For Yamaha PSR-450 PSR-510 PSR-530 PSR-550 Portable – OMNIHIL
1pcs High Quality 16v 2.4a Ac Dc Adapter For Yamaha Keyboard Psr-s650 S550 Pa-300c Psr-500 Tyros4 Power Supply Charger - Ac/dc Adapters - AliExpress
AC-DC Adapter Charger for Yamaha PSR-550 PSR550 PSR-330 PSR330 Power Mains Cord | eBay