The new DMC3-4 retrofit music and communication system from M&S Systems is designed to replace most 3- and 4-wire intercom systems without new wires or drywall repair and uses paintable finish-out frames to cover the holes left by the old system. It is easily installed and provides the homeowner with all the same features, updated styling, enhanced sound and an optional 6-disc CD player. The DMC3-4 also has an upgrade path to make it a stereo-distributed audio system. M&S Systems

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