Info from Manufacturer: Size/Weight Dimensions Width 1,244mm (49") Height 105mm (4-1/8") Depth 259mm (10-3/16") Weight Weight 5.7kg (12lbs., 9oz.) Control Interface Keyboard Number of Keys 76 Type Piano-style keyboard, Graded Soft Touch Touch Response Yes Panel Language English Voices Tone Generation Tone Generating Technology AWM Stereo Sampling Polyphony Number of Polyphony (Max.) 64 Preset Number of Voices 10 (Piano1, Piano2, E.Piano1, E.Piano2, Organ1, Organ2, Strings, Vibes, Harpsi1, Harpsi2) Effects Types Reverb 4 types Functions Dual/Layers Yes Songs Preset Number of Preset Songs 10 Voice Demo Songs + 10 Piano Preset Songs Recording Number of Songs 1 Number of Tracks 1 Data Capacity Approx. 7,000 notes Functions Overall Controls Metronome Yes Tempo Range 32 to 280 Transpose -6 to 0, 0 to +6 Tuning 414.8Hz - 440.0Hz - 466.8Hz Storage and Connectivity Connectivity DC IN DC IN 12V Headphones [PHONES/OUTPUT] x 1 Sustain Pedal Yes (Half pedal available with optional FC3A) USB TO HOST Yes Amplifiers and Speakers Amplifiers 6W + 6W Speakers (12cm x 6cm) x 2 Power Supply Power Supply AC Adaptor (PA-150) or 6 x "AA" size batteries (alkaline [LR6], manganese [R6] or Ni-MH rechargeable batteries) Power Consumption 18W Battery Life 7 hours (with alkaline batteries) Auto Power Off Yes Accessories Accessories ? Owner?s Manual ? My Yamaha Product User Registration ? Music Rest ? AC Adaptor: PA-150 or an equivalent * May not be included depending on your particular area. Please check with your Yamaha dealer.