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Audio Technica AT-DMM828 8Ch Digital Matrix Mixer

Audio Technica AT-DMM828 8Ch Digital Matrix Mixer

Audio Technica AT-DMM828 8Ch Digital Matrix Mixer

Item #93651
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USD$1,799.00 Request Price Match
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Audio Technica AT-DMM828 8Ch Digital Matrix Mixer

The AT-DMM828 SmartMixer® latest addition to Audio-Technica’s family of automatic mixers. This digital automatic 8 channel matrix mixer is designed to provide automatic mixing functions for installed sound, house of worship, broadcast and conference applications. Engineered with intuitive, easy-to-use software GUI, the AT-DMM828 automatically keeps the number of open microphones to a minimum, bringing background noise and feedback under control and providing increased clarity and audio quality.


  • Eight balanced inputs allow use with both mic- and line-level signals
    • Each Input provides:
    • -Phantom power (48V), individually selectable
    • -Individual gain and volume controls
    • -Gate attenuation (adjustable)
    • -Low-cut filter (individually selectable via SmartMixer Software)
  • RS232 and USB data ports provide a connection point for a PC with included SmartMixer Software
  • Compatible with Crestron® and AMX® systems
  • External control capability enables the SmartMixer to activate other devices
    • Force-On – allows an external contact closure to force its associated Input to turn on
    • Force-Off – allows an external contact closure to force its associated Input to turn off
    • VCA Control – Volume up/down
  • Selectable NOMA (Number of Open Mics Attenuated) circuitry helps control feedback
  • Priority pre-select feature allows priority of each microphone to be independently assigned
  • Last Mic On selectable for continuous room ambiance
  • Linking capability for 16 units (up to 128 channels)
  • Equipped with eight balanced audio outputs to drive amplification systems or other equipment
  • Detailed settings controlled through SmartMixer Software
  • Mounts in a single 19" rack space via integral rack mount


  • Input Impedance:
    • Mic Level: 6600 ohms
    • Line Level: 8500 ohms
  • Output Impedance: Balanced: 200 ohms
  • Maximum Input Level: -42 dBu (gain at Max)
  • Maximum Output Level: 24 dBm (THD+N at 1%)
  • Maximum Gain: 64 dB
  • Frequency Response: 20 to 20K Hz (±3 dB)
  • Equivalent Input Noise: -120 dBu*
  • Microphone Phantom Power: +48V DC
  • Control Voltage Out: 3.3V DC
  • Power Supply: 100/240V AC (auto-select), 50/60 Hz, 20W
  • Operating Temperature: 32° to 104° F (0° to 40° C)
  • Dimensions:
    • 18.98" (482 mm) W x
    • 9.05" (230 mm) D
    • 1.75" (44 mm) H
    • (not including feet, knobs and connectors)

  • Weight: 5 lbs. 5 oz (2.4 kg)
… [ More ]
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