Rethink what a compact digital piano can do. The Casio PX 870 digital piano is the flagship model of the Privia ultra-compact series with its combination of a slimline size and a revolutionary Sound Projection speaker system. Youll be projecting your sound out of the front and back creating the tonal character of a traditional upright piano. The wide projection of this instrument fills any venue. Play with emotion. Add all the expression you can muster with the PX 870s exceptional dynamic range and variation of tone. This comes thanks to Casios attention to detail in the AiR sound source. Thorough sampling lets you experience a Concert Grands tone with incredible accuracy giving you String Resonance and Key Action Noise too for complete authenticity. Reach your full potential with a Concert Grand sound.