Check the listing for details. Korg Grandstage X Stage Piano. Color: Black, Condition: New. Listed at 1999.99 USD. Korg Redefines the Stage Piano. Again. Equipped with seven mighty sound engines, impeccable RH3 fully weighted hammer action, and advanced controller functionality, the Korg Grandstage has been a huge hit at Sweetwater. Now, Korg raises the performance bar yet again with Grandstage X, a next-gen flagship stage piano featuring a sleek new design with an enhanced user interface and even better sound quality. Korg is on the cutting edge of evolving digital piano technology, and they've packed their latest stage piano with the best of it. Leveraging the power of their SGX-2 acoustic piano engine, the Grandstage X's acoustic piano sounds are stunning: natural, responsive, and lavishly detailed. The EP-1 electric piano engine delivers a selection of epic EPs, all infinitely tweakable.