Yamaha CLP-220 electric piano keys: 88 keys GH graded hammer Touch AWM Stereo Sampling tone Preset: 10 (including stereo sampled grand piano sound) 30 sample library Maximum Polyphony: 64 Effects: Reverb (Preset) overlapping 50 built-in piano sound demos (with music) 10 voice demo songs Metronome: Speed ??range 32-280 tuning: 427.0Hz - 453.0Hz (minimum scale 0.2Hz) 1 track recording built-in flash memory: 65K for the user song (can store approximately 11,000 notes), 307K for external music Pedals: 3 (does not support half-pedal) headphone port x2 MIDI In / Out slide-out keyboard cover / folding music stand speakers: (12cm x 6cm ) x 2 (20W x 2) power consumption: 37W Color: Dark Rosewood color Size: 1408 × 424 × 822mm Weight: 45Kg. Accessories: music stand, power adapter, Chinese panel cover, manual, warranty Price: 4500