Casio PX-360BK 88-Key Digital Piano with Power Supply Matching the high quality of the keys is an immersive and authentic 9-foot concert grand piano sound powered by Casio's powerful AiR (Acoustic and Intelligent Resonator) Sound Source. The PX-360 includes 550 Tones, covering a huge variety of musical instruments. The PX-360's class-compliant USB port connects to a PC, Mac, or iOS device with no driver installation. Easily control your favorite music software, without any extra setup.