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DPA 4004 Reference Microphone 130 V  From DPA (B&K)

4004 is totally transparent and is the perfect choice in all close miking recording situations regardless of the sound source.

DPA Microphones (Bruel & Kjaer)


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Manufacturer's Description from DPA (B&K)

The 4004 is an omnidirectional hi-voltage (130 V) close miking specialist with an extended on-axis frequency response from 10 Hz to 40 kHz (±2 dB).

An ideal measurement mic, the 4004 is a reference condenser microphone specially designed to handle extremely high sound pressure levels - up to 168 dB SPL before clipping occurs.

It has an unbeatable dynamic range of 124 dB from the noise floor to 1% THD and an extended headroom of 20 dB up to clipping level due to the special hi-voltage powering system.

The 4004 is acoustically identical with the reference microphone Type 4007, but differs in the powering system and the fact that the 4004 has a transformerless output



  • measurement microphone 
  • unbeatable dynamic range
  • close miking recording situations regardless of the sound source
  • specially designed to handle extremely high sound pressure levels
DPA Microphones (Bruel & Kjaer)

About Manufacturer

DPA Microphones A/S is a leading manufacturer of high quality condenser microphones and microphone solutions for professional applications in studio, broadcast, theatre, video/film, houses of worship, teleconference and sound reinforcement environments.



Directional characteristics: Omnidirectional
Principle of operation: Pressure
Cartridge type: 12 mm (0.47 in) pre-polarized condenser
Frequency range, ± 2 dB: 10 Hz - 40 kHz
Sensitivity, nominal, ±2 dB: 10 mV/Pa; -40dB re. 1V/Pa
Equivalent noise level A-weighted: Typ. 24 dB(A) re. 20 µPa (max. 26 dB(A))
Equiv. noise level ITU-R BS.468-4: Typ. 36 dB (max. 38 dB)
S/N ratio, re. 1 kHz at 1 Pa (94 dB SPL): 70 dB
Total harmonic distortion (THD): <0.5% up to 142 dB SPL peak, <1% up to 148 dB SPL peak
Dynamic range: Typ. 124 dB
Max. SPL, peak before clipping: 168 dB SPL peak (f<4 kHz)
Output impedance: <75 ohm
Cable drive capability: From microphone to HMA5000: Up to 20 m (6 ft) From HMA5000: Up to 300 m (984 ft)
Power supply: 130 V through HMA5000
Connector: 4-pin modified XLR-M (High Voltage)
Weight: 150 g (5.29 oz)
Capsule diameter: 12 mm (0.47 in)
Microphone length: 165 mm (6.5 in)
Operating temperature range: -40 to +55°C (-40 to 131°F)