Akai RC-92(RC-32)$75 (or on eBay for $79)Wireless remote adatper compatible with GX-7,GX-9, GX-R6,GX-R66,GX-R70,GX-R70EX,GX-R88,GX-R99,HX-3,HX-A3X,HX-A5X, HX-R5 andHX-R44. This wireless remote adapter has the U-shaped 8-pin DIN connector on the end. Up to 7 functi...