Check the listing for details. CASIO Privia PX-S1100 Black Digital Piano. Color: see description, Condition: New. Listed at 708.04 USD. Privia PX-S1100 is the world's most compact 88-key digital piano with built-in speakers and hammer action. With a depth of just 232 mm, it fits into any living room, bedroom or studio space. Despite the compact size, you're guaranteed to fill the room with the sound - the redesigned speaker system transports the excellent sound optimally and ensures greater localization and presence. The Smart Scaled hammer mechanism was designed in such a way that, despite its small size, it guarantees a playing feel like an acoustic keyboard instrument. Each of the 88 keys has its own sense of weight and timing, adding to the authenticity. All of our items have a 30-day return policy without explanation. Sheet music, reading material and software cannot be exchanged. The General Terms and Conditions o.