From Korg:If you’ve ever wanted to play or perform your favorite songs, or thought of a melody that could become an original song, KORG is here to help you realize your musical potential. The KORG EK-50 is an entertainer keyboard that you can enjoy on any musical level, and an instrument that grows along with you. Automatic accompaniment “Styles” provide an entire backing band you as you play the keyboard. From the moment you start playing, the rich accompaniments are created to inspire you to add phrases as they come to mind. As you gain performance skill, you can easily access the more advanced functions to give shape to the ideas of your musical sketch. Styles that support your performance Play a wide variety of sounds A layout that makes the numerous functions intuitive Built-in speakers for immediate enjoyment anywhere Convenient Music Styles Play back favorite songs on the instrument while performing Add Styles from KORG’s extensive library Keyboard: 61 keys (velocity sensitive) Touch Control: Soft (light), medium (standard), hard (heavier), fixed Sound Generator Stereo PCM sound generator Maximum Polyphony: 64 voices Sounds: Over 702 sounds, 41 drum kits (including GM compatible sound sets) Keyboard Sets: More than 170 setsEffects: 2 stereo digital multi-effects 34 types (148 variations) Styles: More than 280 presets 2 intros, 4 variations, 2 fills, 1 count in/break, 2 endings, synchro start/stop, tap tempo Music Styles: 64 styles Demo Songs: 18 songsMIDI: USB MIDI Display: Custom LCD with backlighting Power supply: AC adapter (included) or AA batteries (alkaline dry cells or nickel-metal hydride batteries) × 8 (sold separately)Dimensions (W x D x H): 39.13" × 15.43" × 5.20" (not including sheet music stand) Height with sheet music stand attached: 12.95" Weight: 16.53 lbs. (not including sheet music stand or batteries)Included Items: AC adapter, sheet music stand