New Old Stock Yamaha Survival Kit SK-B2
Includes PA-130 Adapter, Headphones & Sustain Pedal. According to the label on the box, the models this kit is intended to work with are NP11, PSRE243, EZ220, PSRE343. I'm sure this kit would work with any of the Yamaha keyboards that use the PA-130 AC Adapter.
Contains everything you need to make using your Yamaha portable keyboard just that much more enjoyable. Every box contains a power adapter, a foot switch (except for SK C2 - not required) and headphones. Plus, you also receive a two-year extended warranty and over $200 of rebate offers on great Yamaha instruments and accessories.