Kurzweil CUP2 Ebony Polish Keyboard Number of keys: 88 Key Action: Graded-hammer Key size: Full Aftertouch / Velocity: The CUP-2 Compact Upright is the latest addition to Kurzweil's growing family of home digital pianos It offers an apparent ontradiction that most players will surely welcome; a top of the line, powerful sound system in an impossibly small, discreet enclosure Using the same chip technology as Kurzweil's acclaimed PC3 Series, the CUP-2 brings professional studio sound quality into your home The CUP-2's 88 onboard sounds have been taken directly from the PC3, and represent the best of nearly two decades of Kurzweil sound design and engineering