The Yamaha DGX- offers an affordable feature-packed portable keyboard that boasts an authentic grand piano-like touch heavy in the low end feathery light in the highs and amazingly responsive throughout It also includes USB MIDI and USB to Device for removable storage along with a high resolution Live Grand stereo sample song recorder score and lyric display The USB facilitates easy transfer with a PC or Macintosh computer for use with many optional software packages that can score arrange and sequence your music Can’t play a keyboard instrument Yamaha Education Suite helps you get started With nearly voices and built-in stereo speakers the Yamaha DGX- AD is truly a grand keyboard music instrument that you and your family will enjoy Pitch bend wheel to add smooth pitch variations to notes played Voices – panel voices drum SFX kits XGlite voices Polyphony – DUAL and SPLIT modes Styles – Preset Styles External files Style Control – ACMP ON OFF SYNC STOP SYNC START START STOP INTRO ENDING rit MAIN AUTO FILL Fingering – Multi Finger Full Keyboard Style Volume Music Database – External files Education Feature – Dictionary Lesson – Repeat Learn Registration Memory – banks x types Effects – Reverb – types Chorus – types Harmony – types Preset Songs User Songs Accessory CD-ROM with more Auxiliary jacks – PHONES OUTPUT DC IN V USB SUSTAIN Amplifier – Watts per channel to two -way on-board speakers – cm x cm x Power Supply – Adaptor – PA- included or an equivalent recommended by Yamaha Batteries – Six D size R P LR or equivalent batteries optional Unit Dimensions W x D x H – x x mm – x – x – Weight – kg lbs oz not including batteries Supplied Accessories – Music Rest Accessory CD-ROM Owner’s Manu more info