TOA D901
Modular Digital Mixer, Expandable

OUR PART #  D901

The D-901 Digital Mixer is the ideal solution for a wide variety of installed sound applications including audio/visual, houses of worship and many others. The D-901's modular design supports up to twelve mic/line inputs and eight line outputs with flexible RS-232 or contact-closure remote control. Audio processing tools include automixing, feedback suppression, multi-band  parametric filters, compressors, limiters, noise gates, crossovers, delays and more. Full input-to-output matrixing allows users to store and recall any input to output combination  for multi-zone or room-combining applications. The unit can be programmed via the front panel display or with configured off-site with PC control software for later uploading. The D-901 is covered with a five year product warranty.


  • Rack-mount digital mixer for installed sound applications such as audio/visual, corporate  boardrooms and houses of worship
  • Modular design allows versatile configurations — up to 12 inputs and 8 outputs
  • Intuitive operation via front panel display and controls
  • Auto-Mixing allows “set-and-forget” operation
  • Feedback Suppression automatically attenuates up to 12 problem frequencies
  • Essential audio processing tools — compressors, gates, crossovers, multi-band filtering, parametric, high/low-pass, all-pass and notch filters, horn EQ, high/low shelving and output delay
  • Eight bus matrix allows flexible input-to-output signal routing for zoning or room-combining
  • Eight levels of assignable ducking for multi-level priority configurations (paging matrix)
  • Input and output channel metering
  • Echo effect for vocal enhancement
    PC software for offsite programming and archiving settings
  • Flexible remote control
         * Up to twenty-four programmable switch inputs for activation of memory, volume up/down, channel on/off and stereo input selection
         * Up to sixteen programmable relay outputs for activate during memory, channel on/off, input status and stereo input selection
  • Easily controlled with external devices such as AMX or Crestron
  • 16 internal memories for storage and recall of different signal routing and parameter configurations
  • Eight front panel memory select buttons
  • Front panel lock protects settings
  • Cooling fan ensures continuous reliable operation
  • Built-in rack-mount brackets (3 RU)
  • Five year warranty
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