Allen & Heath AHM64-RK Rear Rack Kit for the AHM-64 Matrix Processor (Pair)Secure your AHM 64 processor with the Allen & Heath AHM64 RK, providing reliable rear rack support for high vibration environments. Secure your processor with the Allen & Heath AH AHM 64 RK, a pair of rear rack supports for the AHM 64 audio matrix processor. Once installed, the kit provides support by securing the unit to the rear of a rack cabinet in environments where vibration or mechanical stress are of concern. The rear rack kit is extendable and