Yamaha CP4 Stage Piano Keyboard, a professional-grade digital stage piano with 88 fully weighted keys. This piano is equipped with a range of features, including portable design, equalizer, MIDI capability, USB compatibility, and built-in effects. As a Yamaha product, it offers a high-quality playing experience that is perfect for live performance settings or home studios. This digital stage piano is ideal for musicians who demand the very best in sound quality and functionality.