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Boya BY-BM3031 Shotgun Microphone

Precise, Professional Audio

The BY-BM3031 is a directional microphone with a super-cardioid pickup pattern.  It is an ideal choice when you need to filter out distracting or ambient noise with your subject at a distance, or for pinpoint precise capture up close.  This type mic is a favourite for on-camera work, and the suite of pro level features offered by the BY-BM3031 easily makes it the best all-around mic in our lineup.

3-Level Gain Control

The PAD switch allows you to set your baseline audio levels to 0, +20dB, or -10dB, so it can adjust to the requirements of your scene.

High Pass Filter

The high pass filter (80 Hz) can be toggled on to remove low-frequency hum and rumble from your audio.

Audio Monitoring

If your camera does not support audio monitoring, there is a headphone jack built right into the mic that will allow you to monitor the baseline audio at any of the three base gain settings.

Integrated Anti-Shock Mount

Prevents sounds that are transferred through your camera body from reaching your audio.

Durable, Lightweight Construction

The BY-BM3031 is made from high-quality ABS.

Wind Screens Included

Comes with the standard foam wind screen, as well as the "dead cat" wind screen for improved wind mitigation.


 Acoustic Principle:  Line Gradient
 Directional Pattern:  Super-Cardioid
 Frequency Response:  40-20,000Hz
 Sensitivity:  -38dB±3dB@1KHz
 Signal to Noise Ratio:  80dB
 Dynamic Range:  120 dB
 Output Impedance:  200 Ohms
 Power Supply:  2 x AA batteries (not included)
 Operating time with battery:  Approximately 120H
 PAD Switch:  -10dB,0dB,+20dB
 High Pass Filter:  Two-step (flat, 80 Hz)
 Output Connectors:  3.5 mm (1/8") stereo mini-jack
 Size:  209.7 x 103.3 x 50mm (8.2” x 4” x 2”)
 Weight:  132g (4.7 oz)


1 x BY-BM3031 Microphone
1 x Anti-Shock Mount (Integrated)
1 x Foam Windscreen
1 x "Dead Cat" Windscreen

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