Exam grade fully weighted full size keys digital piano Brand new and good specification 88 keys, 3 pedals Hammer action weighted keyboard, 128 polyphony Piano-grade sound source - Use genuine high-end French DREAM5 series chips. Real sampling based on various velocitirs of grand piano, processed by French DREAM5 series chips. Restore the true sound of a grand piano. 88-key hammer action keyboard - Use first-class senior matte keyboard Professional-grade key design, 16 levels of strength, 88 keys Hammer key sense of the ultimate pursuit of perfection Acoustic grand piano sound - Use genuine collected acoustic piano samples Collect pure grand piano sounds and input them into French DREAM5 series chip, Large-capacity memory, centralized optimization of sound, the best effect. Speakers and amplifiers - Use high-power full-band speakers. With HIFI digital amplifier sound system, Ensure the heavy bass, tenor stable, treble loud, sound better Keyboard Material : ABS matte keyboard Soundboard Material : multilayered(E1 grade high density environmental protection board) Hammer Material : Counterweight iron Weight (kg) : 29 Keyboard cover : Coverless design Keyboard type : 88 keys hammer action keyboard Button gravity control : 16-level touch sensitivity Source : France DREAM fifth generation audio source speaker : Single magnetic dual frequency 3D stereo speaker 8 Euro 15 Watt Pedal : sustain/sostenuto/soft pedal Tone : 128 Polyphony : 128 Interface : MIDI/Pedal/Power/Audio/Headphone Accessories : Power Adapter/power cable/Warranty Card/User operation manual Shell Material : PVC wood grain Color : black