Yamaha Arius YDP162B Traditional Console Digital Piano with Bench, Black Walnut Graded Hammer (GH) weighted action has a heavier touch in the low end and lighter touch in the high end with excellent key stability, response and repetition. Synthetic Ivory key tops give a tactile surface to the white keys making them easy to "grip" Meticulously sampled from Yamaha"s acclaimed CFIIIS concert grand, the Pure CF Sound Engine provides the tone of a 9" concert grand piano. At 33 inches, the YDP162 is taller than lesser Arius models. This height gives a more substantial upright piano look to its cabinetr Using a special design and position within the instrument, the Acoustic Optimizer physically adjusts the acoustical flow, which controls resonances and enriches the overall sound. Use the built-in, 2-track song recorder to practice one hand at a time or capture that next top-10 hit single!