Stereo Shotgun Microphone, 380mm


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Stereo Shotgun Microphone, 380mm



Option to chose between two stereo modes

Based on models originally developed for use in the broadcast of the Sydney Games in 2000, the BP4027 (14.96" long) and BP4029 (9.29" long) Stereo Shotgun models are engineered for high-end broadcast and production use. Both microphones feature independent line-cardioid and figure-of-eight elements configured in an MS (Mid-Side) arrangement with switch-selectable internal matrixing. These innovative microphones allow sound recordists the choice of selecting a left-right stereo output (wide or narrow) via the microphone’s internal matrixing system or choosing discrete Mid-Side signals for later manipulation, a flexibility not available from any other manufacturer.

A switchable low frequency roll-off filter helps minimize the pickup of unwanted low frequency noise. These phantom-powered models feature a rugged lightweight design and sleek black color scheme, perfect for on-camera use.

  • Designed for broadcasters, videographers and sound recordists
  • Ideal for recording distant sounds, tightened with excellent off-axis noise rejection
  • Compact, lightweight design is perfect for camera-mount use
  • Independent Line-cardioid and Figure-of-eight condenser elements , configured in MS mode
  • Picks up natural ambience without colouration or distortion
  • Switchable low-frequency roll-off
  • Compact lightweight metal microphone (only 142g) adapted for use on camera
  • Switch selection of non-matrixed M-S mode and two internally-matrixed left/right stereo modes
  • Two stereo modes: wide angle (LR-W) or narrow angle (LR-N)
  • Low-cut filter 80 Hz with 12 dB / octave
  • Operates on Phantom power
  • Includes a 0.61 m (24") Y-shaped cable (5-pin XLRF to two standard 3-pin XLRM connectors)


The BP4027 is equipped with two independent electret capsules, one configured as narrow cardioid and the other configured in figure of eight MS mode (central-lateral) with provision for adjusting the width of the stereo image in postproduction or outside by means of a matrix mixer.


With the BP4027 you can choose between a wide sound recording angle (LR-W) - whereby the microphone captures more ambient noise, or a narrow sound recording angle (LR-N) where the rejection is greater and ambient noises are mitigated.


The BP4027 is manufactured from a lightweight but very sturdy aluminum, which can be heavily used in harsh environments. Its length is 380mm and it weighs 142g, making it ideal for installing on a boom. If its size were to be troublesome on certain cameras, it can also be used on a stand to capture distant sound sources.

No interference

The BP4027 benefits is strongly reinforced against radio waves, and mobilel phone signal, to avoid interference when recording.

Low-cut filter

Switchable Low-cut filter for better isolation of unwanted noise, and effective reduction of wind noise.

three positions

The BP4027 has a three-position switch to determine the opening angle chosen: MS (50° / 10°), MR-W (80°) or RS-N (20°).


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


Mikrofonelement Fixed-charge back plate, permanently polarized condenser
Richtcharakteristik Line-cardioid, Figure-of-eight
Frequenzbereich 30-20,000 Hz
Trittschallfilter 80 Hz, 12 dB/octave
Empf. am offenen Schaltkreis Mid: -30 dB (31.6 mV) re 1V at 1 Pa;
Side: -34 dB (19.9 mV) re 1V at 1 Pa;
LR Stereo: -36 dB (15.8 mV) re 1V at 1 Pa
Max. Eingangspegel Mid: 123 dB SPL, 1 kHz at 1% T.H.D.;
Side: 127 dB SPL, 1 kHz at 1% T.H.D.;
LR Stereo: 126 dB SPL, 1 kHz at 1% T.H.D.
Dynamikumfang Mid: 101 dB, 1 kHz at Max SPL;
Side: 101 dB, 1 kHz at Max SPL;
LR Stereo: 102 dB, 1 kHz at Max SPL
Geräuschpegelabstand Mid: 72 dB SPL, 1 kHz at 1 Pa;
Side: 68 dB SPL, 1 kHz at 1 Pa;
LR Stereo: 70 dB SPL, 1 kHz at 1 Pa
Phantomspeisung 11-52V DC, 4 mA typical at 48V, each channel
Schalter M-S, LR Stereo-Wide (LR-W), LR Stereo-Narrow (LR-N);
Flat, roll-off
Gewicht 142 g (5.0 oz)
Kabel Dual 0.61 m (24") shielded two-conductor, terminated in two XLR3M-type connectors
Abmessungen 380.0 mm (14.96") long, 21.0 mm (0.83") diameter
Ausgangsanschluss IIntegral XLR5M-type
Beiliegendes Zubehör AT8405a stand clamp for 5/8"-27 threaded stands; AT8135 foam windscreen; 5/8"-27 to 3/8"-16 threaded adapter; protective carrying case


BP4027 & BP4029 Quick Start Guide
BP4027 Dimensions