Sony ECM-B1M Shotgun Mic

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Product Overview

  • Designed for Sony a7R IV
  • Mounts via Sony Multi Interface Shoe
  • 3 x Selectable Directivity Patterns
  • Selectable Digital/Analog Output
  • Compact, lightweight design, 99.3mm long, and 77.3g
  • Pickup pattern: Super-directional / Unidirectional / Omnidirectional (selectable)
  • Low-Cut Noise Filter & 0dB, 10dB, 20dB PAD
  • Comprehensive manual control for optimal sound capture
  • Wind screen supplied
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The new Sony ECMB1M Shotgun Mic is the first all-digital hot-shoe microphone designed for the a7r IV camera. It is a versatile 3-in-1 on-camera mic with eight individual microphone capsules which offers 3 distinct pickup patterns to add versatility to your production.
Plug-and-play operation makes the microphone easy to use right out of the box—you can immediately start recording your YouTube videos, Facebook Live streams, and interviews, at home, in the studio, or on the go.

Eight high-performance mic capsules and advanced digital signal processing provide three selectable directivity patterns in one compact microphone of approximately 99.3mm (4 inches) in length with Super-directional pick up; when connected to the Alpha 7R IV via its Multi-Interface Shoe with digital audio interface support, audio is directly transferred to the camera in digital form so that the highest possible quality is achieved without noise or degradation.

Three directivity modes

Advanced digital signal processing makes it possible to offer three switchable directivity patterns in one versatile microphone: super-directional, unidirectional, and omnidirectional.

Great sound with low noise

When connected via the Multi Interface Shoe of a compatible camera that features a built-in digital audio interface, the audio signal is directly transferred to the camera in digital form so that no degradation can occur. A simple switch also provides compatibility with a wide range of cameras using an analogue interface.

Super-directivity in a compact mic

Eight high-performance microphone units work with a newly developed beamforming algorithm to provide extremely sharp directivity that effectively rejects off-axis sound. All of this is achieved in a remarkably compact microphone that is only 99.3mm in length.

Mechanical noise suppression

An advanced shock and vibration suppressing design effectively minimises low-frequency, or handling, noise that can degrade audio quality. The absence of connecting cables also means that no noise can be transmitted to the microphone mechanically via cables and connectors.

Effective filter for clear sound

A low-cut filter that cuts out subsonic noise is implemented through digital signal processing, maximising audio quality at the recording stage and thereby reducing the need for complex post processing.

Cable-free connection

Simply clip the microphone into the Multi Interface Shoe on a compatible camera for direct power and audio connections without the need for extra cables or batteries. Sony’s Multi Interface Shoe offers intelligent connectivity and control for a variety of accessories, providing maximum flexibility and mobility for α system shooting.

Wind screen supplied

The ECM-B1M is supplied with a fur type wind screen that can reduce wind noise when shooting outdoors.

Essential controls

Record level control, analogue output for compatibility with a wide range of cameras, and an attenuator that makes it easy to set optimum signal levels all add to this microphone’s versatility. This level of control can contribute to smooth, stress-free post production.


Digital Audio
Sony Alpha a7R IV
Analog Audio
Sony cameras equipped with Multi Interface Shoe

Buy Sony ECMB1M Shotgun Mic with Sony Australia Warranty from digiDirect

All our Sony products come with Sony Australia Warranty.
Buy with confidence from a reputable seller. digiDirect does not sell grey-import or grey-market stock.
Sony Warranty on the Sony ECMB1M Shotgun Mic is 1 year back to base. For more on our warranty policy please see digiDirect FAQ Warranty

  • MPN - ECMB1M
  • GTIN - 027242916487
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Analog Performance

Sound Field Mono
Polar Pattern Cardioid, Omnidirectional, Supercardioid
Pattern Selection Switched


Length 99.31 mm
Diameter 1.12" / 28.45 mm
Weight 79 g
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What’s In The Box
  • Sony ECM-B1M Camera-Mount Digital Shotgun Microphone for Sony Cameras
  • Fur Windscreen
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