16V AC-DC Power Adaptor Charger for Yamaha PSR-S770 Keyboard Synthesizer Power | eBay
UpBright New AC /DC Adapter For Yamaha PSR S950 PSRS950, PSRS770 PSR S770 61 key, Motif Rack XS Tone Generator, PSR S650 PSRS650|ac ac adapter|ac adapteradapter ac - AliExpress
UpBright 16V AC/DC Adapter Compatible with Yamaha PSR-S770 PSRS770 PSR-S650 PSRS650 PSR-S970 PSRS970 PSR-S750 PSRS750 61-Key Professional Arranger Workstation Keyboard DC16V 2.4A Power Supply Charger
ABLEGRID Global AC/DC Adapter for Yamaha PSR-S770 61-Key Arranger Workstation... | eBay
AC/DC Adapter for Yamaha PSR-S770 PSRS770 PSR-S650 PSRS650 PSR-S970 PSRS970 PSR-S750 PSRS750 61-Key Professional Arranger Workstation Keyboard Power Supply Cord Battery Charger PSU
Amazon.com: FitPow 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