Camera Mounting Accessory Sony ECM-B1M

The Sony ECM-B1M is a compact shotgun microphone designed to mount directly on compatible cameras for high-quality audio capture. It offers three switchable directivity modes—super-directional, unidirectional and omnidirectional—enabled by advanced digital signal processing and an eight-capsule beamforming array. At just 99.3 mm long, the microphone delivers focused pickup with effective off-axis rejection, low self-noise and digital or analogue output options for flexible camera compatibility. The ECM-B1M includes mechanical noise suppression, a digital low-cut filter to remove subsonic noise, a supplied fur-type windscreen for outdoor use and essential manual controls such as record level and attenuation for precise level setting.

Advantages

The microphone provides super-directional performance in a compact form factor thanks to eight high-performance capsules and an advanced beamforming algorithm. Direct digital output via a Multi Interface Shoe maintains signal integrity when used with compatible cameras, while an analogue output option preserves compatibility with a wide range of other cameras. An internal mechanical shock-and-vibration suppressing design reduces handling noise, and a DSP-implemented low-cut filter reduces subsonic rumble at the source. The supplied windscreen and onboard level and attenuator controls increase usability in varied recording conditions.

Suitable for

• Vlogging and on-camera narration
• Documentary and run-and-gun shooting
• Interviews and ENG (electronic news gathering)
• Filmmaking where compact directional audio is required

Key specifications

• Model: Sony ECM-B1M
• Length: 99.3 mm
• Directivity modes: Super-directional, Unidirectional, Omnidirectional
• Microphone elements: Eight high-performance capsules (beamforming array)
• Outputs: Digital via Multi Interface Shoe (compatible cameras), Analogue output (switchable)
• Features: Digital low-cut filter, mechanical shock/vibration suppression, supplied fur-type windscreen, record level control, attenuator
• Brand: Sony
• MPN: ECM-B1M
• EAN: 4548736100671

How to use

Attach the ECM-B1M by sliding it into the camera’s Multi Interface Shoe for direct digital power and audio transfer with compatible Sony α cameras. If your camera lacks a digital interface, switch to the analogue output and connect using the appropriate cable. Select the required directivity mode on the microphone (super-directional, unidirectional or omnidirectional) depending on the scene, set the record level and use the attenuator if necessary to avoid clipping. Fit the supplied fur-type windscreen for outdoor shoots to reduce wind noise. Position the camera and microphone to aim the main lobe of the chosen pattern at the sound source for best results.

Usage recommendations

For interviews and dialogue in noisy environments use the super-directional mode and set a conservative input level with the attenuator engaged if peaks are expected. For ambience or group recording choose omnidirectional mode. When using analogue output, verify levels in camera to prevent analogue gain-related noise; when possible, use the Multi Interface Shoe digital connection to preserve audio quality.