The VCA-MC4A from Crown Audio is a level control module designed to be used in conjunction with the CTs 4200 amplifier. The module has two 4-pin removable barrier connectors to provide control voltage, ground, and control lines to the amplifier. Wall control units are available separately that can be used to control the level of your amplifier remotely.
VCA-MC4A - Level Control Module for CTs 4200
3 Year Limited Warranty