Your private smart-guide on learning piano Thanks to the development of the internet, learning something new has never been easier. High-tech elements are playing an important role in nowadays' music education. WK-520 is designed to cater to the essential needs of beginners as well as the educators. Well-selected Steinway grand piano sampling sound combined with the latest Dream 5708 chips, Italian 88key metal frame with scaled hammer action keyboard. In short, WK-520 is a high performance/price digital piano. Team up with APP on your smartphone or tablet and the bright LED indicators and you'll definitely fall in love with the new way of learning piano. The authentic grand piano tone The authentic grand piano tone of the NUX WK-520 comes from well-selected Steinway grand piano sampling sound, the latest dream 5708 chips and customized stereo speakers. A long-lasting keyboard Thanks to the techniques originated from Italian, the 88 key scaled hammer action keyboard each is equipped with metal frame that can ensure you have a perfect playing experience even after years of playing. Low-noise is another feature of the keyboard, plug in your headphone, sink yourself into the world of music even after midnight. 300 sounds and 100 Rhythm types The NUX WK-510 comes with 300 different sounds and 100 rhythm types. Together, they can bring you infinite possibilities and fun. Tired of practicing? Listen to the 52 built-in classical demo songs to take a break. 128 notes polyphony With maximum 180(189) notes polyphony, WK-520 can handle almost all players' daily needs. 3 seg LED display can always let you keep track of the real-time status. Split keyboard and dual-tone Active the Split keyboard and set the split point. Get ready to teach and learn or 4 hands playing. Dual tone can make your playing more diversity and gorgeous.