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Marshall Electronics (AR-DM31) 16-Channel Digital Audio Monitor (1RU)


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Marshall Electronics
Digital audio rack-mount monitor. (Mfr # AR-DM31)

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The Marshall Electronics 1RU AR-DM31 16-Channel Digital Audio Monitor is a digital audio rack-mount monitor which is ideal for use in TV facilities, studios, post production, VTR bays, mobile production vehicles, satellite links, and other settings where multi-channel audio monitoring is required.

It supports 16 audio channels and has four slots for interchangeable input / output modules. This unit provides 100% digital processing, Class D (digital) amplification, selectable stereo downmix modes, Dolby Digital / Dolby E decoding capability (with optional ARDM-D552 module), a 1/4" headphone jack with level control, and a USB port for on-site firmware upgrades.

Key Features:

  • 16 LED Indicators for channel presence
  • User-configurable with a variety of modules
  • Four module slots
  • 100% Digital processing
  • Class D audio amplification
  • Dolby Digital / Dolby E decoding (with optional ARDM-D552 module)
  • Selectable stereo downmix modes
  • Memory stick upgradable
  • USB 2.0 port enables on-site firmware upgrades
  • Ethernet port allows remote alarm monitoring
  • Balance and volume control
  • 1/4" Headphone jack


Connectors 1 x 4-Pin XLR, power input 1 x USB 2.0 port, female 1 x 1/4" phone jack, female 1 x RJ45 port, female
Weight 3.7 lb (1.7 kg)
Control Volume Balance Mute SRC Switch Selector
Dimensions 18.94 x 1.75 x 7.80" (48.11 x 4.45 x 19.81 cm)
Power consumption < 45 W
Voltage Range 24 VDC

Item Includes

Standard Manufacturer's Warranty.

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