DPA d:screet 4660 Heavy Duty Omni Mic with MicroDot Connector, Black

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Made for situations where you require maximum security and where the visual size of the mic is less important. The Heavy Duty Mic Series features a stainless steel housing, a heavy-duty cable relief and a thick 2.2 mm (0.09 in) cable. DPA's Heavy Duty microphones are a more robust version of the original mics they are based upon.

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Overview
Specifications

Made for situations where you require maximum security and where the visual size of the mic is less important. The Heavy Duty Mic Series features a stainless steel housing, a heavy-duty cable relief and a thick 2.2 mm (0.09 in) cable. Our Heavy Duty microphones are a more robust version of the original mics they are based upon.

These microphones withstand the toughest of conditions. They are designed with an extra-robust, Kevlar-reinforced cable and a strain relief, which is built to withstand the constant twists, bends and pulls that are part of the everyday use in harsh environments. A 5.4 mm diameter pre-polarized condenser element with a contained within a vertical diaphragm called the Double Vent Protection System, which makes the mics extremely resistant to humidity and sweat

The acoustic response of the these mics (both the normal and heavy duty version) can be modified by selecting the correct grid for the job. Two grids are supplied with each microphone (not the 4671). The Soft Boost Grid gives a 3 dB soft boost at 8-20 kHz while the High Boost Grid introduces a 10 dB soft boost around 12 kHz. Both of these grids are made of anodized stainless steel. They can be detached from the microphone and wiped cleaned of sweat, makeup, dust etc.

Features

The most rugged and reliable version of DPA miniatures
Stainless steel housing, heavy-duty strain relief and thick cable
Exceptional audio quality
Uniform, consistent sound between DPA mics
Sturdy but small for flexible and easy concealment
Modular adapter system fits most professional wireless systems

Specifications

Directional pattern	Omnidirectional
Principle of operation	Pressure
Cartridge type	Pre-polarized condenser
Effective frequency response	20 Hz - 20 kHz
Frequency range, ±2 dB	Soft boost grid: 20 Hz - 20 kHz, 3 dB soft boost at 8 - 20 kHz. High boost grid: 20 Hz - 20 kHz, 10 dB boost at 12 kHz
Sensitivity, nominal, ±3 dB at 1 kHz	20 mV/Pa; -34 dB re. 1 V/Pa
Equivalent noise level, A-weighted	Typ. 23 dB(A) re. 20 µPa (max. 26 dB(A))
Equivalent noise level, ITU-R BS.468-4	Typ. 35 dB (max. 38 dB)
Distortion, THD < 1%	122 dB SPL RMS, 125 dB SPL peak
Dynamic range	Typ. 100 dB
Max. SPL, THD 10%	134 dB SPL peak
Rated output impedance	From MicroDot: 30 - 40 Ω. From DAD6001: 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)	Min. 5 V to max. 50 V through DPA adapter for wireless systems
Current consumption	Typ. 1.5 mA (microphone). 3.5 mA with DAD6001-BC XLR Adapter
Connector	MicroDot
Color	Black or beige
Weight	13 g (0.46 oz) incl. Cable and MicroDot connector
Microphone diameter	5.4 mm (0.21 in)
Microphone length	17.6 mm (0.7 in)
Cable length	1.8 m (5.9 ft)
Cable color	Black or beige
Cable diameter	2.2 mm (0.09 in)
Polarity	Positively increasing sound pressure produces positive-going voltage at MicroDot pin (and pin 2 on DAD6001 XLR adapter)
Temperature range	-40°C to 45°C (-40°F to 113°F)
Relative humidity (RH)	Up to 90%