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Line + gradient condenser microphone, 233 mm

  • Designed for use in broadcasting, film/TV production, and theater
  • Direct-coupled, balanced output ensures a clean signal
  • Innovative acoustic design, same directivity as mics up to 50% longer
  • Rugged housing made of lightweight structural-grade aluminum alloy
  • Transformerless design for improved pickup of transients
  • Operates on phantom power only

£905.00 (inc. VAT)

BP4073 BP4073 BP4073 BP4073


short and lightweight, ideal for recording in the field

Created after intensive field research and from extensive user feedback, the BP4073 short shotgun microphone is ideal for creating a high quality audio sound recording. It is intended for documentaries, professional recordings in the wild, and theater sound reinforcement. Highly directional, the BP4073 has low self noise and extremely focused sound recording.

  • Short (233mm) shotgun microphone, designed for use in broadcasting, film/TV production and theater sound reinforcement applications
  • Its compact size and light weight (99g) allow it to be mounted on a camera or on a fishpole boom, keeping it out of shot
  • Highly directional, it perfectly captures all frequency ranges (20Hz to 20kHz)
  • Perfect intelligibility, even in noisy environments thanks to excellent off-axis noise rejection
  • The Double Wave Diaphragm proprietary technology offers high sensitivity with low self noise
  • Direct-coupled, balanced output ensures a clean signal even in high-output conditions
  • Innovative acoustic design provides same directivity as mics up to 50% longer
  • Switchable 80 Hz hi-pass filter & 10 dB pad
  • Rugged housing made of lightweight structural-grade aluminum alloy
  • Effective protection against mobile phone interference and other unwanted radio frequency
  • Comes 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.

“Short ant lightweight shotgun mic”

Especially suitable for mounting on a fishpole boom or outdoors on professional camera, the BP4073 weighs only 99 grams and has a length of just 23.3 cm.

“High intelligibility”

Its very narrow directivity provides the narrow acceptance angle needed to capture far away sound whilst maintaining excellent off-axis noise rejection. The BP4073 guarantees 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 BP4073 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.

Element Externally polarized (DC bias) condenser
Polar Pattern Line + gradient
Frequency Response 20-20,000 hz
Open Circuit Sensitivity - 29 dB (35.5mV), re 1V at 1 Pa
Impedance 50 ohms
Maximum Input Sound Level 141 dB SPL, 1 kHz at 1% T.H.D.
151 dB SPL, with 10 dB pad (nominal)
Low Frequency Roll Off 80 Hz, 18 dB/octave
Switches Flat, roll-off; 10 dB pad (nominal)
Dynamic Range 128 dB, 1 kHz at Max. SPL
Signal-to-Noise Ratio 81 dB, 1 kHz at 1 Pa
Phantom Power Requirements 48V DC, 4.8 mA typical
Weight 99 g
Dimensions 233.0 mm (9.17") long, 21.0 mm (0.83") maximum body diameter
Output Connector Integral 3-pin XLRM-type
Accessories Included AT8405a stand clamp for 5/8”-27 threaded stands; 5/8”-27 to 3/8”-16 threaded adapter; AT8144 ; protective carrying case; two O-Rings


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Line + gradient condenser microphone, 233 mm

Name Filetype Filesize
BP4073 Dimensions DWG #N/A
BP4071/L & BP4073 Quick Start Guide PDF 3 MB
BP4073 Datasheet PDF 375 KB
BP4073 Polar Pattern JPG 97 KB
BP4073 Frequency Response JPG 78 KB
BP4073 Declaration of Conformity PDF 55 KB

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Trusted by industry professionals

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50 Years of Devotion to music

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A Legacy in Innovation

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Its expertise in innovation quickly spread to various new fields and led to the development of tone arms, microphones and headphones. Audio-Technica soon became a benchmark in those fields. Making history.

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Two Year Limited Warranty

Two Year Limited Warranty

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All Audio-Technica products purchased from Audio-Technica Europe are guaranteed for two years from the date of purchase to be free of defects in materials and workmanship. In the event of such defect, the product will be repaired or replaced without charge*.

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