C1 Air Digital Piano (Certified Refurbished)Superb sound and outstanding design that will enhance any room. KORG sets a new standard for the Digital Piano. With KORGs unique history of musical instrument design and audio technology, the C1 offers levels of playability and versatility that will exceed the expectations of the most demanding pianist. From the very first note, the depth and clarity of sound that the C1 delivers from its compact, slim line cabinet will astound both player and