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DPA Microphones 4066 Omni Headset Mic | Medium | Long Headset | MicroLock | Beige

DPA Microphones 4066 Omni Headset Mic | Medium | Long Headset | MicroLock | Beige

SoundPro Item: 148136 | Part Number: 4066-OP-A-F90-LH

$925.00
$925.00 $925.00
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MSRP: $925.00 | MAP: $925.00

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  • IP58 Capsule Rating Protects Against Water Intrusion And Dust In Live Production Environments
  • Double-Vent Protection System Maintains Consistent Frequency Response Under Varying Conditions
  • Modular Adapter System Enables Direct Connection To Professional Wireless Platforms
  • Pre-Polarized Condenser Cartridge Delivers Full-Range Response Without Sonic Coloration
  • Slim Large Headset Design Provides Secure Placement During Active Stage Movement
  • Low Equivalent Noise Floor Ensures Clean Capture In Quiet Broadcast Settings
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The DPA 4066 omnidirectional headset microphone has earned its reputation across Broadway theaters, broadcast facilities, and lecture halls through uncompromising sound quality and proven reliability. Its pre-polarized condenser capsule captures full-range frequency response from 20 Hz to 20 kHz, while maintaining a dynamic range of 113 dB that handles everything from intimate dialogue to high-SPL vocal projection without distortion.

Built for demanding professional applications, this headset microphone integrates seamlessly with major wireless systems through DPA's modular adapter platform. The IP58-rated capsule withstands moisture and environmental exposure, while the double-vent protection system ensures consistent performance across varied acoustic conditions. Its low-profile 5.4 mm diameter and 14-gram total weight provide all-day comfort for presenters, actors, and broadcasters who require both sonic transparency and physical discretion.

Theater sound designers and broadcast engineers choose this microphone for applications demanding natural voice reproduction without coloration. The slim large-headset configuration secures placement during active movement, while the 1.2-meter cable provides routing flexibility to body-worn transmitters.

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Specifications

Certifications
Capsule IP Rating
IP58
Audio
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
Sensitivity, Nominal, ±3 dB At 1 kHz
6 mV/Pa; -44 dB re. 1 V/Pa
Equivalent Noise Level, A-Weighted
Typ. 26 dB(A) re. 20 µPa (max. 28 dB(A))
Equivalent Noise Level, ITU-R BS.468-4
Typ. 38 dB (max. 40 dB)
Distortion, THD < 0.5%
133 dB SPL RMS, 136 dB SPL peak
Distortion, THD < 1%
136 dB SPL RMS, 139 dB SPL peak
Dynamic Range
Typ. 113 dB
Max. SPL, THD 10%
144 dB SPL peak
Rated Output Impedance
30 - 40 Ω
Connectivity
Connector
MicroLock
Cable Drive Capability
Up to 300 m (984 ft) with DAD9001 XLR Adapter
Electrical
Power Supply (For Full Performance)
For wireless systems Min. 5 V - max. 10 V through DPA adapter. With DAD9001: P48 (Phantom Power). Will work from 12 V
Current Consumption
Typ. 1.5 mA (microphone). 3.5 mA with DAD9001 XLR Adapter
Construction
Color
Beige
Microphone Diameter
5.4 mm (0.21 in)
Cable Length
1.2 m (3.9 ft)
Cable Diameter
1.6 mm (0.06 in)
Weight
Weight
14 g (0.5 oz) incl. Cable and MicroLock connector
Environmental
Temperature Range
-40°C to 45°C (-40°F to 113°F)
Relative Humidity (RH)
Up to 90%
Identifiers
Polarity
Positively increasing sound pressure produces positive going voltage on MicroLock pin

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