Buy the M&S DMC3-4-IP Master Station - White with a 30 Day Money Back Guarantee from Central Vacuum Stores! Also, read the M&S DMC3-4-IP Master Station - White product description, read any available reviews.
Sku: 8413
Our Price: $554.00
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The M&S DMC3-4-IP Deluxe Radio/Intercom Master Station with Mp3 (3.5 mm) connection for external audio devices.
PLEASE NOTE: If you are adding a cd player to your system, for full functionality, the mp3 connection will not be located on the master but on the combo frame instead.

The dmc3-4-IP Music/Communication Retrofit Master system by M&S is great choice for your intercom upgrade needs. The dmc3-4 is an intercom system with all-call communication. This unit will call throughout the home and patio with an optional door chime and front door speaker so you can answer the door from any room in your home. This intercom master station is specifically designed to replace a 3-wire intercom system and allow up to 13 remote stations or a 4-wire intercom system and allow up to 15 remote stations plus 3 door speakers.
Benefits and Features:

PRODUCT DIMENSIONS
Adding Music to the dmc3-4
With eight presets for both AM/FM radio built in and 2 separate audio inputs, the M&S dmc3-4-IP is a great option for music distribution. With the LCD backlight display, you can easily view all intercom controls.
When purchasing a M&S dmc3-4 master station intercom, there is an optional 6-disc CD changer, the dmc1CD. This CD changer is installed directly below the master station. The disc number and standard CD functions are all displayed on the master station LCD display.
With this dmc3-4-IP you have an installed connection will allow you to play all the playlists you have stored on your Ipod or mp3 player through your dmc3-4 intercom system.
Room Stations (Speakers)
Get Help Replacing Your System
If you are replacing an older system, you can choose from several exclusive tools we have online. First, just look at our "You May Also Need" tab, above, and you will find everything you need to complete your dmc3-4 purchase. Or, you can use our Intercom Upgrade Wizard, which will walk you through each step of your purchase and help you choose the correct replacement components. We also have a Four Wire Upgrade Kit Builder that will assist you, if you are replacing a four-wire system. Finally, you can always call one of our experts at 1-800-221-8227 for free technical advice and installation assistance.
If you have a front door or gate that you would like to have remote door release, the DRW Door Release Mechanism. This can be used from the master station or any room speaker. The dmc3-4 offers two different optional door chimes, a three-note Model MC3 or eight-note Model MC8.
Main Components of a dmc3-4 Intercom System
dmc3-4 Master Stations |
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Master Station Options
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White
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Almond
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Black
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With Ipod Connection
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dmc3-4-ip | dmc3-4B-ip | |
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Without IP connection
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dmc3-4 | dmc3-4A | dmc3-4B |
dmc3-4 Room StationsThe M&S dmc3-4 offers four main style room speakers. The dmc3R and dmc4R are standard intercom room stations with call and volume functions. The DMC3RS and DMC4RS are the same station with additional functions. The dmc3R and dmc3RS are three wire speakers and the dmc4R and dmc4RS are four wire speakers. These speakers can select the audio source, scan through the radio stations, and control the dmc3-4 master station volume. The dmc3RW and dmc4RW are patio stations and have all the same functions as the dmc3RS and dmc4RS except it does not have a gate release function. |
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Up to 15 Remote Stations with 4-wires
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White
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Almond
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Black
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With remote scan
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Without remote scan
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Patio
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Up to 13 Remote Stations with 3-wires
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White
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Almond
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Black
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With remote scan
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Without remote scan
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Patio
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dmc3-4 Door SpeakersIf you have a front door or gate that you would like to have remote door release, the DRW Door Release Mechanism. This can be used from the master station or any room speaker. The dmc3-4 offers two different optional door chimes, a three-note Model MC3 or eight-note Model MC8 |
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dmc1 - Up to 3 Door Stations
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White
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Antique Brass
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Polished Brass
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Satin Nickle
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dmc3-4 Rough-in HousingsFor master unit rough in and finish-out components order the Model dmc1H Wall Housing Kit to mount the dmc1 master. If the optional Model dmc1CD Add-on CD Changer is used, order the dmc1HC CD Combination Wall Housing Kit. When you are upgrading your older intercom system to the new M&S dmc1, you can add additional speakers to the new system. All you need to do is purchase the proper room speaker from above, a dmcHR rough-in frame for new installation, and additional wire. |
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If You Are Replacing
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White
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Almond
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Black
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Master only with a dmc3-4
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Combo system with a dmc3-4 and dmc1CD
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Master station only with dmc3-4 and dmc1CD*
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*This type of retrofit will require the hole in the wall to be made larger.
GET HELP REPLACING YOUR INTERCOM SYSTEM
If you are replacing an older system, you can choose from several exclusive tools we have online. First, just look at our"You May Also Need" tab, above, and you will find everything you need to complete your dmc3-4 purchase. Finally, you can always call one of our experts at 1-800-221-8227 for free technical advice and installation assistance.
If You Are Using A dmc3-4 To Retrofit an Existing Intercom SystemFor all retrofit indoor room stations use dmcFR Room Station Retrofit Mounting Frame. (7 1/2" x 10") |
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Update Frame Information
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| White room speaker update frame | |
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Almond room speaker update frame
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Black room speaker update frame
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If speakers are larger, take a look at CentralVacuumStores.com custom
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For all outdoor surface-mount patio stations use
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dmc1HRWS Surface-mount Rough-in Enclosure
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For all outdoor or high sun area flush-mount retrofit patio stations use
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dmcFRW Patio Station Retrofit Mounting Frame
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For NuTone door speaker replacements use (not needed for M&S)
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dmcFD Door Speaker Retrofit Mounting Frame
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NOTE: All room stations, patio stations, and door speakers must be replaced when installing a dmc1 retrofit system
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M&S DMC3-4 INTERCOM UPGRADE INSTALLATION OVERVIEWReplace a Nutone or M&S 3 or 4 Wire Intercom System |
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Step One: Remove Old Equipment and Label Wires |
Tools Needed |
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Speakers (room stations) ending in 3 if replacing a three wire system
Speakers (room stations ending in 4 if feplacing a four wire system.
Chime module for door stations with buttons
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1. Remove power to location by switching off power breaker in electrical panel. 2. Remove Master Unit; Label each wire indicating where wire was connected on original master. 3. Remove Master Rough-in Box and transformer. 4. Remove Each room station. **If wires are not color coded be sure to label each conductor indicating where it was connected to the orginal room stat |
Phillips Screwdriver
Wire Stripper
Small (or precision size)
Phillips/Flathead Screwdriver
Tape for Labeling Wires
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Build Your Own Kit |
Step Two: Install New Equipment and Update Frames |
Free Installation Assistance |
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DMC3-4 THREE WIRE UPDATE KIT BUILDER
DMC3-4 FOUR WIRE UPDATE KIT BUILDER
DMC1 SIX OR EIGHT WIRE UPDATE KIT BUILDER
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1. Install DMC1H Rough-in Frame (or if choosing optional CD player install the DMC1HC Combo Housing). 2. Connect new transformer(s) to existing home electrical wiring. 2 transformers required for CD player. 3. Connect DMC3-4 Master Unit to Existing Intercom Wiring using color code or label. 4. Install Chime Module as necessary. 5. Connect optional DMC1CD CD player – connect the supply line for the CD player with the red strip towards the inside. 6. Connect the power cord into the transformer(s). 7. Install Retrofit Update Frame and screw DMC3-4 master into the rough-in over the update frame. 8. Connect your DMC3 or DMC4 Room Station wires based on color code or label. 9. Install Retrofit Update Frames and screw Room Stations into place over retrofit brackets. Connect Door Station and install DMCFD Update Frame. 9. Connect DMC3RW or DMC4RW Patio Station and DMCFRW Update Frame or DMC1HRWS Surface Mount B |
CALL TOLL FREE 8:00 am to 10:00 pm Eastern Time Monday - Saturday Call us toll-free and talk to one of our experts about your DIY intercom project 1-800-221-8227Free Tech Support and Design Assistance Let Our Engineer help you design your system - Tech support is always Free! |
DIY Intercom Knowledge-Base
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Step Three: Power and Test System |
View Detailed Installation Instructions |
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For help troubleshooting your installation call us 1-800-221-8227 |
View Complete Installation Instructions, Owner's Manual, and Troubleshooting Tips |
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THREE WIRE INTERCOM RETROFIT SCHEMATICWiring Diagram Example |
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Average Customer Rating: 



(based on 2 reviews)
Customer most agreed on the following attributes:




M&S Retrofit
from Chicago, IL on 07/07/2010



Easy Installation
from Thousand Oaks, CA on 11/04/2009Shipping is Free for orders over $60.00 to all 50 states with some exceptions; orders under $60.00 there is a $8.95 shipping and handling fee. We usually ship all orders by UPS ground shipping, but also use USPS (United States Postal Service) and drop shipping as well. Expedited Shipping is also available.
Once we receive your order, we work diligently to ship your items as quickly as possible. Our goal is for orders to go out the same day they are received, however, this is not always possible. Also, if your order is being held up for any reason you will be notified within 24 to 48 hours by email as to when you can expect your order to ship. Click here to view delivery times from Saint Petersburg, Florida.
Click a link below to view the PDF document. Or, if you do not have Adobe Reader click the 'Get Adobe Reader'
DMC3-4 Owners Manual
DMC3-4 Installation Guide
DMC1 and DMC34 Troubleshooting