NuX WK-400 88-Key Digital Piano With Dynamic Curves - BlackThe Nux WK 400 is designed for learning in piano classrooms and for any aspiring pianist. An Average Digital Piano The WK 400 comes with all the necessary functions and features an average digital piano could have. Alternative tones, Recording, Metronome function, Classical demo songs, dual keyboard, on board effects Expressive New Keyboard We've been manufacturing digital pianos for some years now. Finding the best keyboards was always the most