The Yamaha Arius YDP 163 is an excellent choice for the developing student or more experienced player. This digital piano features an upgraded hammer keyboard with synthetic ivory tops for an authentic piano feel. With an improved pure CF sound engine and an increased polyphony the YDP 163 opens up more possibilities for expression. A Stereophonic Optimiser guarantees you the very best sound even when playing with headphones whilst the new improved reverb brings depth to your playing. This piano is also now compatible with a host of apps including the Digital Piano Controller for easy and intuitive control.