DMC3-4 Upgrade 4 Rooms & Bluetooth Unit


The M&S DMC3-4 is an incredibly versatile music audio intercom system that replaces almost any three or four wire M&S, Nutone, Broan, IntraSonic, or AudioTech Intercom System using existing wiring.

free home intercom quote

  • INFO
  • M&S DMC3-4 Replacement Intercom & Music Distribution

    M&S / Linear is phasing out the DMCBT Blue tooth units and these are only available while supplies last. WHITE units are already "Sold Out". We offer the master units with a 3.5mm jack. You may also consider the IntraSonic RETRO-M Intercom (seen below). These master units have a built in compartment for blue tooth.


    IntraSonic Retro-M Upgrade Intercom System

    The IntraSonic RETRO-M Intercom System combines the usual reliability and dependability of an intercom system with music streaming capabilities, turning your intercom system into a whole home entertainment system. The IntraSonic RETRO-M Intercom System comes with numerous features that make it a must for your home or business.

    This Kit Contains:

    • (1) RETRO-M White Master (Built In IPOD, MP3 Compartment)
    • (1) RETRO-MTP Master Unit Frame (10 x 18 3/4")
    • (4) RETRO-5R White Room Stations
    • (5) RETRO-5RV White Room/Patio Station Frames (7 3/8 x 10")
    • (1) RETRO-5P White Patio Station
    • (1) RETRO-D White Door Speaker

    The IntraSonic RETRO-M Intercom System comes with high quality intercom technology, giving you crystal clear communication throughout your home. This system features volume control on each unit, and the IntraSonic RETRO-M Intercom System can be paired with up to 13 zones, increasing the range of your system throughout your home or business. The IntraSonic RETRO-M Intercom System has a hands free answering option, giving you the flexibility of communicating without pressing a button. Enjoy the privacy function of the system in allowing direct communication between two units without the rest of the units being able to hear the conversation. The IntraSonic RETRO-M Intercom System also provides an optional door release function, as the system can serve as a monitor for knowing who is going and coming from your entryway.

    The IntraSonic RETRO-M Intercom System also comes with elite music streaming capabilities, turning your standard intercom system into a whole home entertainment device. With a USB charging input, multiple music inputs for your devices and AM/FM presets, your IntraSonic RETRO-M Intercom System plays music throughout your home or business, with each unit able to control musical inputs and volume from their location.

    Our IntraSonic RETRO-M Intercom System is second to none in the intercom industry. Install an IntraSonic RETRO-M Intercom System new or replace your old system using the existing wiring already in your home or business. The IntraSonic RETRO-M Intercom System is dependable, intuitive and affordable and has been used in homes, businesses and schools all across the country!


    Replace or Upgrade Home Intercom System Information
    Compare IntraSonic RETRO-M & M&S Systems DMC3-4

    When it comes to your home intercom system BEC does have "Experts" on staff that can answer ALL of your questions. We also offer ALL 3 Upgrade options as well as Repairs on OLD Master Units.

    Contact Us - By Email  or Call  - 888-556-3998

    home intercom replacement The IntraSonic RETRO-M Intercom System is a popular choice as it can often replace almost any M&S System or Nutone Intercom System. With the IntraSonic RETRO-M, the master unit housing from your old system can be reused as long as it is 10 inches tall or less. This system is popular among music lovers as it includes a USB charging port for music devices.
    Upgrade M&S Systems Intercom The M&S Intercom & Music Bluetooth-enabled System can replace nearly any existing three, four, six or seven wire intercom system. The master unit housing will need to be replaced when upgrading with our M&S intercom system. When choosing to replace your old M&S Intercom System with a new M&S system, old door stations are all reusable.
    Nutone Intercom Systems The Nutone Intercom System is now Discontinued but you still have upgrade options for just about all old Nutone Intercom System

    See options and prices here
    home intercom repairs

    We also repair most old M&S & Nutone Master Units

    Read More about M&S SYSTEMS Repairs

    Read More about NUTONE Repairs

    (We ONLY repair master units)


    Need to Make Customization's to This Kit?

    We understand that every home requires unique replacement system customization's, so we decided to create a user-friendly tool that will allow you to customize your replacement intercom kit in minutes! Upon completing the following form, your new, personally tailored kit will be sent directly to the email address you provide. It?s easy, fast and completely FREE to design your own system! And you can instantly place your order directly from your quote. What are you waiting for? Get started below!

    **Please review all components on your quote before placing an order**

    Replacement Intercom System FREE & INSTANT Design Tool

How did we do?

YES! Probably not
Click to rate your experience with BEC Integrated Solutions, LLC