Casio PX870 Digital PianoThis is a one off display model The Casio Privia PX 870 Digital Piano features AiR technology for an expressive tone full of depth in and upper end clarity. The hammer action keys have an organic feel that assists with expression in performance. This model has hammer response and key action noise for the most authentic sound possible. The Privia pianos provide musicians with an advanced instrument that comfortably fits the home environment. The 4