I sure could use it with my two controllers I use with my Receptor and Ketron SD2. I am sure there is a reason, as they have been goaded for a long time by many people. I wonder if their Yahoo forum has an answer.

pa4X 76 ,SX900, Audya 76,Yamaha S970 , vArranger, Hammond SK1, Ketron SD40, Centerpoint Space Station, Bose compact