Crestron QM-MDM3X1 QuickMedia Mini-Switcher

Special Price $475.00 Regular Price $1,568.44
In Stock / This is a clearance item. Ships in 2-4 weeks.

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This is a clearance item. Ships in 2-4 weeks.

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Crestron QM-MDM3X1 QuickMedia Mini-Switcher

The QM-MDM3X1 is a compact 3x1 QuickMedia switcher designed to expand the input capacity of a single QM-RMCRX-BA Receiver or any device with a QM Input port. It attaches directly to the top of a QM-RMCRX-BA, providing inputs for up to three QuickMedia Wall Plates, FlipTop Boxes, and other QM Transmitters. It can also be installed beneath a table* or in a closet* to provide localized switching of any three QM sources.

The QM-MDM3X1 behaves as a midpoint QM device just like any other QM switcher. All signal routing is provided over inexpensive CAT5e type cable† via Crestron's exclusive QuickMedia transport, supporting the distribution of high-resolution RGB, video, stereo audio and microphone signals up to a total of 450 feet end-to-end. Up to two QM-MDM3X1's or other QuickMedia Switchers, Distribution Centers, and Distribution Amplifiers may be cascaded in a given QuickMedia signal path† to support larger system configurations.

Regardless of the configuration, complete system operation can be made transparent to the end-user with all signal routing occurring smoothly under the command of the MediaManager control system. Audio breakaway capability allows audio signals to be selected independent of video signals.

Four (4) built-in Cresnet ports provide for distribution of Cresnet control signals and power. The QM-MDM3X1 can furnish up to 41 Watts Cresnet power when powered by a dedicated PW-2420RU power supply, or 16 Watts if powered by a PW-2410RU. The QM-MDM3X1 may also be powered directly from any 2-Series control system or Cresnet power supply via the Cresnet network.

Summary Of Features

  • Compact 3X1 QuickMedia switcher
  • Provides easy input expansion for any QM Receiver
  • Mounts directly to pole-mounted QM-RMCRX-BA
  • Low-profile design allows installation under furniture or in a closet*
  • Built-in Cresnet power distribution
  • Audio breakaway capability
More Information
Stock StatusIn Stock / This is a clearance item. Ships in 2-4 weeks.
Mfr Part NoQM-MDM3X1




3x1 selector switch; routes any of (3) QM video input signals to (1) QM output







3x1 selector switch; routes any of (3) QM audio input signals to (1) QM output






QM IN 1 - 3

(3) 8-wire RJ45 female, QuickMedia input ports;
Connect to QM output ports of up to (3) QM Transmitters or other QuickMedia devices via CresCAT-QM cable†



(1) 8-wire RJ45 female QuickMedia output port;
Connects to QM input port of QM-RMCRX-BA or other QuickMedia device via CresCAT-QM cable†



(4) 4-pin 3.5mm detachable terminal blocks, Cresnet slave/distribution ports, paralleled;
Connect to Cresnet control network via Cresnet or CresCAT-QM cable;
Normally provide Cresnet distribution between QM-RMCRX-BA master port and (3) QM transmitters


24V DC 2.0A

(1) 2.1mm barrel DC power jack;
24 Volt DC power input (power supply sold separately);
Passes through to NET ports to power additional Cresnet devices



(1) 6-32 screw, chassis ground lug

Buttons & Indicators



(1) green LED, indicates 24 Volts DC power supplied from external power supply or Cresnet control network



(1) yellow LED, indicates communication with Cresnet system



(1) miniature pushbutton & red LED, used for touch-settable ID (TSID)

Power Requirements


Power Consumption

9 Watts (0.375 Amps) @ 24 Volts DC


Recommended Power Supply

PW-2410RU or PW-2420RU (sold separately)


Available Cresnet Power

16 Watts using PW-2410RU, or 41 Watts using PW-2420RU


Cresnet Power Usage

9 Watts (0.375 Amps @ 24 Volts DC) with no power supply connected to the 24V DC connector




32° to 104°F (0° to 40°C)



10% to 90% RH (non-condensing)


Heat Dissipation

50 BTU/hour




Steel, black matte powder coat finish, convection-cooled, vented top and sides with allowance for proper ventilation of attached QM-RMCRX-BA



Free-standing, under table/surface-mount*, or attachment to top of QM-RMCRX-BA (adhesive feet, [4] “L” brackets, and [4] strap brackets included)




1.17 in (2.96 cm)



7.69 in (19.52 cm)



5.24 in (13.30 cm)



1.74 lb (0.79 kg)

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