Yamaha Rack Mount Kit for the MG124C and MG124CX Rack Mount Kit for the MG124C and MG124CX The Yamaha RK-MG124 Rackmount Kit is a pair of rackmount "ears" that allow you to drop a Yamaha MG124C or an MG124CX mixer into a 19" rack Comes with all necessary hardware The Yamaha RK-MG124 Rackmount Kit is a pair of rackmount "ears" that allow you to drop a Yamaha MG124C or an MG124CX mixer into a 19" rack Comes with all necessary hardware