Slim stylish and more fashionable than ever. The Casio PX 770 in black is fully equipped with a wide range of sounds to be explored. The Casio PX 770 allows you to take advantage of an incredible range of styles and genres from all over the world. And thanks to the sleek and modern design the PX 770 will look good in any home. With the Casio PX 770 you can now have the sound of a 9-foot concert grand piano at your fingertips. This is all thanks to Casios proprietary sound source “AiR” (Acoustic and intelligent Resonator). The sound source delivers the sounds with remarkable expression to ensure you always have a powerful performance.