Yamaha Portable Keyboard DGX 660 88 Keys with Stand

Specifications:

• Width: 1,397mm (55")/with keyboard stand: 1,399mm (55-1/16")
• Height: 146mm (5-3/4")/with keyboard stand: 761mm (29-15/16")
• Depth: 445mm (17-1/2")/with keyboard stand: 445mm (17-1/2")
• Weight:    22.5kg (49lbs. 10oz.)/with keyboard stand: 29.5kg (65lbs. 1oz.)
• Number of keys:    88, Graded Hammer Standard (GHS) keyboard
• Touch response: soft, medium, hard, fixed
• Pitch Bend: yes
• Display type: Full Dot LCD
• Size: 320 x 240 dots
• Color: monochrome
• Contrast: yes
• Score Display Function:    yes
• Lyrics Display Function: yes
• Panel language: english
• Piano sound: Pure CF Sound Engine
• Damper resonance: yes
• Polyphony (Max.): 128
• Preset number of voices: 147 + 15 Drum/SFX Kits + 381 XGlite
• Compatibility GM: yes
• XGlite: yes
• Reverb:    35 types
• Chorus:    44 types
• DSP: 237 types
• Master EQ: 5 types
• Intelligent Acoustic Control (IAC): yes
• Dual/Layers: yes
• Split: yes
• Panel sustain: yes (Function menu)
• Number of Preset Styles: 195
• Fingering: Multi Finger, Full Keyboard, AI Fingered
• Style Control: INTRO, MAIN x 2, FILL-IN, ENDING
• Custom     User Styles: Style File Format
• Other Features     Music Database: 305
• One Touch Setting (OTS): yes
• Style Recommender: yes
• Smart Chord: yes
• Number of Preset Songs:    100
• Recording number of songs: 5
• Number of tracks: 6 (5 Melody + 1 Chord)
• Data capacity: approx. 30,000 notes for 1 user songs (when only "melody" tracks are recorded)
• Compatible data format:    Playback SMF (Format 0, Format 1), XF - Recording: SMF (Format 0)
• Number of Buttons: 4 ( x 8 banks )
• Lesson/Guide:Yamaha Education Suite (Y.E.S.)
• Demonstration: yes
• USB Audio Recorder: Playback: .wav, recording:     .wav
• Metronome: yes
• Tempo range: 5 - 280
• Transpose: -12 to 0, 0 to +12
• Tuning: yes
• Internal memory: approx. 1.7MB
• External drives: USB Flash Memory
• Connectivity:DC IN, DC IN 12V
• Headphones conectivity:    x 1
• Sustain pedal conectivity: x 1
• Pedal unit conectivity: x 1
• AUX IN: yes
• USB TO DEVICE: yes
• USB TO HOST: yes
• Amplifiers: 6W x 2
• Speakers: 12cm x 2 + 5cm x 2
• Power supply adaptor:PA-150 or the equivalent
• Power consumption: 13W