Amazon.com: Yamaha YPT270 61-Key Portable Keyboard With Power Adapter ( Amazon-Exclusive) : Musical Instruments
Amazon.com: UpBright 12V AC/DC Adapter Compatible with Yamaha YPT-230 YPT-240 YPT-260 YPT-370 YPT-300 YPT230 YPT240 YPT260 YPT370 61-Key Digital Piano Keyboard World Tour WTPA130 RY120100 PA-130 1A Power Supply