Yamaha PSR-EW410 76 Key High Level Portable Keyboard With PA300 AC Power AdapterYamaha's PSR E series of keyboards has added a new exceptional entry with the PSR EW410. Perfect for keyboardists of any style or experience level, the PSR EW410 packs a number of exciting features into a compact and comfortable instrument. With seventy six organ style keys and a library of 758 stereo voices, players are sure to get into their groove and explore an enormous catalog of near limitless possibilities. The PSR EW410 features the Yamaha