Item #1566439 Model #4066-OC-A-B03-LH-S

DPA Microphones 4066 CORE Omnidirectional Headset Microphone with 3-pin LEMO Connector for Sennheiser Wireless (Small) Black


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Clean and transparent sound quality from an omnidirectional head-worn mic.

The 4066 CORE Omnidirectional headset microphone with 3-pin LEMO connector for Sennheiser Wireless (small) from DPA Microphones offers clean and transparent sound quality with lots of headroom. The headset construction is unique with a detachable mic boom from the headset mount to switch and reattach to either the left or right side. Humidity, often an issue in theatrical applications, is not a problem due to the 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.
  • Directional pattern: Omnidirectional
  • Principle of operation: Pressure
  • Cartridge type: Pre-polarized condenser
  • Frequency response: 20 Hz-20 kHz
  • Effective frequency range: ±2 dB
  • Soft boost grid: 40 Hz - 20 kHz, 3 dB soft boost at 8 - 20 kHz
  • High boost grid: 40 Hz - 20 kHz, 10 dB boost at 12 kHz
  • Rated output impedance: 30-40 Ohm
  • Cable drive capability: Up to 984 ft. with DAD6001-BC XLR adapter
  • Power supply for wireless systems: Min. 5 V - max, 10 V through DPA adapter
  • Current consumption: Typ. 1.5 mA (microphone), 3.5 mA with DAD6001-BC XLR adapter
  • Connector: MicroDot, TA4F Mini-XLR, 3-pin LEMO, Mini-Jack
  • Weight: 0.03 lb. including cable and MicroDot connector
  • Microphone diameter: 0.21 in.
  • Cable length: 3.9 ft.
  • Cable diameter: 0.06 in.
  • Polarity: Positively increasing sound pressure produces positive going voltage on MicroDot pin


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