Amazon.com: Yamaha YPT270 61-Key Portable Keyboard With Power Adapter ( Amazon-Exclusive),Black : Musical Instruments
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-3 PA-130 PA-150 PSR-F51 PSR-E263 PSR-E403 YPT-400 PA-40 Power
Amazon.com: Casio SA-76 44-Key Mini Personal Keyboard : Musical Instruments