Check the listing for details. Yamaha Arius YDP-S55 Console Digital Piano Black Walnut. Color: Black Walnut, Condition: New. Listed at 1599.99 USD. The Yamaha Arius YDP-S55 delivers the prestigious tone of a concert grand piano and the touch of premium keys in a stylish yet space-saving console. Powered by the renowned Yamaha CFX sound engine, this digital piano faithfully reproduces the complex tones of Yamaha's flagship concert grand. The Graded Hammer 3 (GH3) keyboard features synthetic ebony and ivory key tops, absorbing moisture and providing a familiar, tactile surface. Despite its advanced sound and feel, the YDP-S55 has a slim profile suited for tight spaces. Connecting it to the Smart Pianist app provides an intuitive graphic interface to select from various piano and instrument Voices, configure settings and learn songs by following an on-screen chord chart.