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AKG DMM 4/2/2

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This item has either been discontinued by the manufacturer or is no longer available to purchase on our website.

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(800) 771-8330

Automatic Microphone Mixer


The DMM 4/2/2 is a processor controlled digital automatic mixer with four balanced microphone inputs, two stereo AUX inputs and one master output. A unique and highly effective, intelligent mixing algorithm automatically allocates gain among the system microphones (NOM attenuation). A special noise detection function and the "Noise Sensitive Threshold" algorithm (NST) prevent accidental activation of input channels.

The mixing algorithm also includes a "Last Mic On" function and a "Best Mic On" mode. Each input channel features low cut as well as LF and HF shelving filters. A dbx compressor/limiter is included in the algorithm to compensate for level differences and provide a significant improvement in sound quality. Each channel offers switchable gain (Mic/Line, Mic-Lo/Mic-Hi), switchable phantom power, and an incremental level control with LED level and peak hold display. The automixing and ducking functions can be enabled and disabled for each microphone and AUX channel separately.

An expansion connector enables multiple DMM 4/2/2 mixers to be daisy-chained for larger systems. A rear-panel control I/O port provides logic in and outputs for controlling external devices.
The DMM 4/2/2 is housed a rugged 19" case with an integrated power supply.


  • 4 microphone and 2 stereo AUX inputs
  • 1 recording output and 1 master output
  • Digital signal processing including dbx compressor/limiter
  • Intelligent mixing algorithm with noise sensitive threshold
  • 19" all-metal case with integrated power supply

Q & A

DMM 4/2/2
MFR Part Number
Product Category
Install & Contracting Mixers
Unit of Measure
Shipping Weight
7.70 lbs.
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