DPA 4266 CORE+ Omni Miniature Mic Boom, Beige, 90 mm (Replacement Boom Only)

The MMB4266 is an omnidirectional replacement microphone boom for DPA Headsets and earsets.

With a clean, transparent sound and ample headroom, it captures the full dynamic range of speech and vocals without distortion, even at high sound pressure levels. Whether used for speaking or singing, the capsule's CORE+ technology pushes Total Harmonic Distortion below perceptible levels so all you hear is the source, at any volume. 

Due to its small size, it exhibits an exceedingly accurate omnidirectional pattern and does not need to be aimed directly at the sound source to achieve high-quality pickup.

DPA MMB4266-OP-FS1-M Features

• Pristine audio quality
• Lightweight and flexible
• Easy mounting to the left or right
• Minimal visual impact
• Resistant to humidity

DPA MMB4266-OP-FS1-M Specifications

• Directional pattern: Omnidirectional
• Principle of operation: Pressure
• Cartridge type: Pre-polarized condenser
• Frequency response: 20 Hz - 20 kHz
• Effective frequency range ±2 dB
• 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. 111 dB
• Max. SPL, THD 10%: 144 dB SPL peak
• Rated output impedance: From MicroDot: 30 - 40 Ω. From DAD6001-BC: 100 Ω
• Cable drive capability: Up to 300 m (984 ft) with DAD6001-BC XLR Adapter
• Output balance principle: Signal balanced with DAD6001-BC XLR Adapter
• Common mode rejection ratio (CMRR): > 60 dB from 50 Hz to 15 kHz with DAD6001-BC XLR Adapter
• Power supply (for full performance): For wireless systems Min. 5 V - max. 10 V through DPA adapter, With DAD6001-BC: P48 (Phantom Power). Will work from 12 V
• Current consumption: Typ. 1.5 mA (microphone). 3.5 mA with DAD6001-BC XLR Adapter
• Microphone diameter: 5.4 mm (0.21 in)
• Microphone length: 12.7 mm (0.5 in)
• Polarity: Positively increasing sound pressure produces positive-going voltage at MicroLock pin (and pin 2 on DAD6001-BC XLR adapter)
• Temperature range: -40°C to 45°C (-40°F to 113°F)
• Relative humidity (RH): Up to 90%
• Colors: Black, Beige, Brown