Stage piano. Its advanced sound quality, features and design make this an ideal digital piano for players of all levels. The P-515 features piano sounds created with samples of the Yamaha CFX flagship concert grand piano and famed Vienna-made Bösendorfer Imperial grand piano. P-515 features two advanced technologies that allow you to enjoy exceptionally realistic, natural sound, even when listening through headphones - Binaural Sampling and Stereophonic Optimizer. Binaural sampling technology delivers a three-dimensional sound, which recreates the perspective of the player position through headphones. The Stereophonic Optimizer adjusts the spatial distribution of sound in the listener's headphones, creating the sensation that sound is coming directly from the piano, rather than from the headphones. Yamaha Natural Wood X (NWX) keyboards are created using our unrivaled woodworking expertise, acquired through more than a century of crafting fine acoustic pianos. The NWX keyboard also features an escapement mechanism that reproduces the feel of an acoustic piano as it goes through the let-off and drop of the hammer when a key is played very softly. P-515 features 15w + 5w amplifiers along with a 2-way speaker system that provides an immersive, authentic piano experience with astonishing clarity. P-515 also features the Twisted Flare Port: Yamaha technology that offers a clear and precise bass sound. Our Smart Pianist app allows you to control the many functions included in your P-515 with your iOS device. Connect your music player via Bluetooth and instantly turn your P-515 into a high-quality speaker system to listen to your favorite songs through. Number of Keys: 88. Dimensions: 1336 mm x 145 mm x 376 mm. Weight: 22 kg. Colour: Black