dbx ZC-6 Wall-Mounted Zone ControllerThe ZC 6 wall mounted controller from dbx provide computer programmable push button up down volume control for dbx ZonePRO devices (all ZonePRO devices sold separately). The ZC 6 boasts DIP switches that enable identification with connection to the processing device via CAT 5 cable on RJ 45 connectors. The dbx Zone Controller Series Simple yet elegant, the Zone Controller series from dbx expand the capability of dbxs DriveRack and ZonePRO families.