Amazon.com: PK Power AC/DC Adapter for Yamaha PSR-S770 61-Key Arranger Workstation Keyboard PSRS770 Power Supply Cord Cable PS Charger Input: 100-240 VAC Worldwide Voltage Use Mains PSU : Musical Instruments
Amazon.com: Accessory USA Global AC/DC Adapter for Yamaha PSR-S770 61-Key Arranger Workstation Keyboard PSRS770 Power Supply Cord Cable PS Charger Input: 100-240 VAC Worldwide Voltage Use Mains PSU : Electronics
PSR-S770 - Overview - Digital and Arranger Workstations - Keyboard Instruments - Musical Instruments - Products - Yamaha - United States