Check the listing for details. NTK-61 MIDI Keyboard Controller. Condition: Open box. Listed at 340.89 USD. #html-body [data-pb-style=TBR38SL]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:0}#html-body [data-pb-style=EN6O4CJ]{margin-bottom:0;padding:10px 10px 0}#html-body [data-pb-style=XPQSS8L]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0 10px}#html-body [data-pb-style=KL4CRWI]{display:none}#html-body [data-pb-style=XGE57LH]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0.