Check the listing for details. Casio Privia PX-S5000 88-Key Digital Piano Black. Color: Black, Condition: New. Listed at 1299.99 USD. The PX-S5000 combines the award-winning and impossibly slim Privia PX-S design with Casio's new Smart Scaled Hammer Action keys, delivering a new level of playability in a compact yet elegant instrument. Place your hands on the PX-S5000 and it immediately transcends its size. The Smart Hybrid Hammer Action keys come alive at your fingertips, delivering the dynamic and natural response you'd expect from a well-regulated concert grand. Keys with spruce sides and subtly textured surfaces deliver a familiar and confidence-inspiring piano look and feel, and ensure a natural performance by replicating the hammer behavior of each of the 88 individual piano keys.