Line + gradient condenser microphone, 395 mm


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Line + gradient condenser microphone, 395 mm



for extremely focussed sound capture

At a length of 39.5 cm, the directional BP4071 shotgun microphone has been specially designed to meet the needs of broadcast, film, television, recording outdoors and theater applications. Particularly suitable for long-distance sound recording in filmmaking or in theatre, the BP4071 ensures a low noise level and a balanced Direct-coupled output resulting in a clear and clean signal, even in high-output conditions.

  • 395 mm shotgun microphone designed to deliver quality sound in reporting, producing TV / Film and Theatre
  • Excels in long distance quality sound recording
  • Highly directional, it captures perfectly all frequency ranges (20Hz to 20kHz)
  • Perfect intelligibility even in noisy environments, thanks to excellent off-axis noise rejection
  • "Double Wave Diaphragm" proprietary technology offers high sensitivity with low self noise
  • Direct-coupled output with active balancing which ensures a signal without distortion at high output levels
  • 80Hz low-cut filter, with a slope of 18dB / octave and -10dB switchable attenuator
  • Effective protection against nearby mobile phone interference and other unwanted radio frequency
  • Comes equipped with a foam windscreen

“low-cut filter”

The low-cut position reduces sensitivity to ambient low frequency noise such as traffic noise, ventilation, reverberation of the room or mechanical vibrations transmitted through the recording device.


Particularly suitable for long-distance sound recording for cinema or in the theatre, the BP4071 ensures low self noise and a balanced Direct-coupled output resulting in an accurate and clean signal even in high-output conditions.

“High intelligibility”

The microphone's very narrow directivity provides the narrow acceptance angle needed to catch remote sound while maintaining excellent off-axis noise rejection. The BP4071 guarantees you very specific audio capture with high intelligibility.

Robust body

Robust microphone design made of lightweight aluminum alloy, which allows it to be positioned it on a boom, a camera or on a tripod.

low-cut filter

Switchable low-cut filter for better insulation of unwanted noise.

Line + gradient

The BP4071 combines a directional capsule (gradient) and an interference tube to remove the sound from the rear.


Comes with a clip, a foam windscreen, two O-rings and a protective carry case.


Mikrofonelement Externally polarized (DC bias) condenser
Richtcharakteristik Line + gradient
Frequenzbereich 20-20,000 hz
Trittschallfilter 80 Hz, 18 dB/octave
Empf. am offenen Schaltkreis - 29 dB (35.5mV), re 1V at 1 Pa
Max. Eingangspegel 141 dB SPL, 1 kHz at 1% T.H.D.
151 dB SPL, with 10 dB pad (nominal)
Dynamikumfang 128 dB, 1 kHz at Max. SPL
Geräuschpegelabstand 81 dB, 1 kHz at 1 Pa
Phantomspeisung 48V DC, 4.8 mA typical
Schalter Flat, roll-off; 10 dB pad (nominal)
Gewicht 136 g
Abmessungen L 395mm ; Ø 21mm maxi body
Ausgangsanschluss Integral 3-pin XLRM-type
Beiliegendes Zubehör AT8405a stand clamp for 5/8”-27 threaded stands; 5/8”-27 to 3/8”-16 threaded adapter; AT8147 windscreen; protective carrying case; two O-Rings


BP4071 Declaration of Conformity
BP4071 Frequency Response
BP4071 Polar Pattern
BP4071 Datasheet
BP4071/L & BP4073 Quick Start Guide
BP4071 Dimensions