It has a real piano texture of compact digital piano YDP-S51's design philosophy is the combination of aesthetics and ergonomics. All the details of the design and build, all reflect the practical and focus on the concept of quality of Yamaha products, and bring your playing fun. Full piano sound to meet your high demands on music expressive use of high-end digital piano Clavinova series of the same pure tone CF sampling, while the maximum pronunciation number 128, but also to meet all the complex requirements of demanding music playing.