4066 d:fine Omni-Directional Headset Microphone

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Product Overview

The DPA d:fine 4066 Omni-Directional Headset offers clean and transparent sound quality with lots of headroom. For years, this has been the chosen headset mic for broadcasters as well as theaters on Broadway, as well as in many auditorium and lecture halls. This is due to its pristine sound and durability.

The headset construction is unique. You can detach the mic boom from the headset mount to switch it to either the left or right side and then reattach it. Humidity, often an issue in theatrical applications, is not a problem. This microphone is constructed with a double-vent protection system and a drop stopper on the microphone boom. Also, the materials inside the mic are water resistant. These design elements make it very difficult for the microphone to fail due to humidity.

The microphone’s sensitivity is 6 mV/Pa. This matches the level of the human voice to the general input sensitivity of most wireless transmitters. If powered correctly, the microphone will be able to handle very high sound pressure levels up to 144 dB SPL before clipping occurs.

The 4066 CORE Omnidirectional Headset Microphone is in beige, black and brown.

The MicroDot termination gives you flexible, simple and affordable possibilities.  You are no longer bound to one wireless system. As circumstances change, you can just switch your adapter, instead of incurring the cost of a completely new microphone. When you make the switch, you won't hear any loss or change in sound quality.

* Purchase of adapter is necessary for microphone to connect to your wireless beltpack.


  • Resistant to humidity
  • Double-vent protection system
  • Available in three colors and three sizes
  • Modular adapter system fits most professional wireless systems


  • High Boost Grid
  • Soft Boost Grid
  • 5 windscreens

Warranty Information

2 year limited warranty


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