Check the listing for details. Roland RD-88 EX 88-key Digital Stage Piano. Color: Black, Condition: New. Listed at 1429.99 USD. Take the Stage with the Excellent Roland RD-88 EX The Roland RD-88 EX delivers stellar RD stage piano performance with an expanded soundset and unparalleled playability. Thanks to Roland’s expertly crafted PHA-4 keybed with hammer-action Ivory Feel keys, the RD-88 EX feels like a real acoustic grand piano. Powered by the company’s acclaimed Zen-Core sound engine and groundbreaking SuperNATURAL technology, it sounds like one, too. In addition to world-class pianos you get an enormous library of premium sounds, all instantly deployable from the instrument’s fast, user-friendly interface. Equipped with USB MIDI/Audio, the RD-88 EX is perfect for controlling your DAW of choice, and it also offers tight integration with Apple MainStage.