Amazon.com: PowerSource UL Listed 12V DC Power Adapter for Yamaha PSR-F51 PA, PSR, YPG, DGX, YPT, and EZ Digital Piano & Portable Keyboard PA-1 PA-3 PA-4 PA-6 PA-130 PA-150 PA-40 PA-3B PA-3C
Amazon.com: MaxLLTo™ 12V 2A AC Power Replacement Adapter for Yamaha Psr-e303 Psr-e313 Psr-e323 Psr-e403 Psr-e413 Keyboard Wall Charger Power Supply Cord : Musical Instruments