The Zone Controllers offer extended utility to the DriveRack® and ZonePRO™ families. Wired with readily available and affordable CAT5 cable with universally accepted rj-45 connectors at distances up to 1000 ft, the ZC Zone Controllers offer simple yet elegant solutions to the contractor. The ZC-8 provides both programmable source selection and volume control to the ZonePro 640 and 641.