Line + gradient condenser microphone, 539 mm


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Line + gradient condenser microphone, 539 mm




At 53.9 cm long, the BP4071L is one of the longest shotgun microphones on the market. It was specially designed to meet the needs of the broadcast, film, and is particularly suitable for television. Particularly well adapted for long-distance sound recordings for filmmaking, in the theatre or for sporting events, the BP4071L guarantees a low noise level as well as a direct-coupled symmetrical output resulting in a clean signal even in high-output conditions.

  • One of the longest shotgun microphones on the market, 539 mm
  • Developed to meet the demands of the Professional Broadcast market
  • Extremely narrow directivity, for long distance recording
  • Highly directional, it perfectly captures all frequency ranges (20Hz to 18kHz)
  • Excellent rejection of side and rear noise
  • Perfect intelligibility, even in noisy environments
  • Uses proprietary "Double Wave Diaphragm" technology which offers high sensitivity with low self noise
  • 80Hz low cut filter, with a slope of 18dB / octave and -10dB switchable attenuator
  • Effective protection against mobile phone interference and other unwanted radio frequencies
  • 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.

“Clear and precise capture of distant audio”

Particularly suitable for long-distance sound recording both indoors or outdoors, the BP4071L 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 BP4071L guarantees you very specific audio capture with high intelligibility.

robust body

Robust microphone design is made of lightweight aluminum alloy.

low-cut filter

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

Line + gradient

The BP4071L 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 20-18,000 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 175 g
Abmessungen 539.0 mm (21.22") long, 21.0 mm (0.83") maximum body diameter
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; two O-Rings; protective carrying case


BP4071L Declaration of Conformity
BP4071L Frequency Response
BP4071L Datasheet
BP4071L Polar Pattern
BP4071/L & BP4073 Quick Start Guide
BP4071L Dimensions