Dimensions     Width     1420mm (55 7/16") Height     907mm (35-11/16") Depth     513mm (20 3/16") Weight     Weight     66.0kg (145lbs., 8oz) Control Interface Keyboard     Number of Keys     88 Type     GH3 (Graded Hammer 3) keyboard with synthetic ivory keytops Touch Sensitivity     Hard, Medium, Soft, Fixed Pedal     Number of Pedals     3 Half Pedal     Yes Functions     Damper with half ped al effect, Sostenuto, Soft Display     Type     7-segment LED Panel     Language     English Cabinet Key Cover     Key Cover Style     Sliding, Panel Reveal Key Cover Music Rest     Yes Voices Tone Generation     Tone Generating Technology     RGE (Real Grand Expression) Sound Engine Stereo Sustain Samples     Yes Key-off Samples     Yes String Resonance     Yes Smooth Release     Yes Damper Resonance     Yes Polyphony     Number of Polyphony (Max.)     256 Preset     Number of Voices     14 x 2 variations Effects Types     Reverb     4 Brilliance     5 Intelligent Acoustic Control (IAC)     Yes Functions     Dual/Layers     Yes Split     Yes Songs Preset     Number of Preset Songs     14 (Voice Demo), 50 (Piano) Recording     Number of Songs     10 Number of Tracks     2 Functions USB Audio Recorder     Playback     WAV Recording     WAV Metronome     Tempo Range     Yes Overall Controls     Transpose     Yes Other Control     Tuning, Scale Type, etc. Storage and Connectivity Storage     Internal Memory     about 1.5MB (Flash Memory) External Drives     USB Flash Memory, Memory Card (SmartMedia, etc.) with External Adapter Connectivity     Headphones     2 MIDI     IN, OUT, THRU AUX IN     L / L+R, R AUX OUT     L / L+R, R USB TO DEVICE     Yes (1) USB TO HOST     Yes (1) Amplifiers and Speakers Amplifiers     40W x 2 Speakers     (16cm + 5cm) x 2 [(6 5/16" + 1 15/16") x 2]