Casio WK-3000 Professional Series 76 Key Digital Recording Studio Styled Keyboard 76 Fill-size keys and 32-note polyphonic Over 700 tones and 224 user programmable tones and SmartMedia TM expansion slot Built-in digital equalizer, Split &amp; Layer function and drawbar organ function 140 preset rhythms including 20 piano patterns 3.0w of stereo power per side with Bass Reflex and stereo lineout jack