Main Features
- Designed for Sony a7R IV
- Mounts via Sony Multi-Interface Shoe
- 3 x Selectable Directivity Patterns
- Selectable Digital/Analog Output
- 4" Ultra-Compact Design
- Auto-Level Function
- Low-Cut Filter
- Cable-Free Connection
- Vibration-Resistant Design
- Unit price
- / per
What's in the box
- Fur Windscreen
- Storage Pouch
- Limited 1-Year Warranty
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Main Features
- Designed for Sony a7R IV
- Mounts via Sony Multi-Interface Shoe
- 3 x Selectable Directivity Patterns
- Selectable Digital/Analog Output
- 4" Ultra-Compact Design
- Auto-Level Function
- Low-Cut Filter
- Cable-Free Connection
- Vibration-Resistant Design
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Sony ECM-B1M Camera-Mount Digital Shotgun Microphone for Sony Cameras
The Sony ECM-B1M is an ultra-compact camera-mount digital shotgun microphone designed for mobile video creators working with Sony cameras equipped with the Multi Interface Shoe. Released alongside the a7R IV, which benefits from its built-in Digital Audio Interface, the ECM-B1M is able to produce its best quality by delivering a digital audio stream directly to the camera through the Multi Interface Shoe. Other Sony cameras with the standard Multi-Interface Shoe can still make use of the microphone as there is a selectable digital/analog output.
The ECM-B1M is equipped with eight high-performance mic capsules and advanced digital signal processing, providing three selectable directivity patterns for a wide range of shooting and recording situations. The 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.
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 analog interface.
Record level control, analog 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.
A low-cut filter that cuts out subsonic noise is implemented through digital signal processing, maximizing audio quality at the recording stage and thereby reducing the need for complex post-processing.
An advanced shock and vibration suppressing design effectively minimize low-frequency or handling noise, which 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.
A fur windscreen is supplied to help reduce wind noise when shooting outdoors.
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.
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Form Factor
Camera-Mount
Sound Field
Mono
Operating
Pressure Gradient
Pressure OperatedCapsule
8 x Electret Condenser
Polar Pattern
Cardioid, Omnidirectional, Supercardioid
Pattern Selection
Switched
Orientation
End Address
Circuitry
Solid-State
Pad
-10 dB, -20 dB
High-Pass Filter
Yes
Tone Adjustment
None
Gain Adjustment
Yes
Indicators
None
On-Board Controls
Gain, Polar Pattern, High-Pass Filter, Pad
Windscreen
Foam (Included)
Frequency Range
40 Hz to 20 kHz
Maximum SPL
120 dB SPL
Sensitivity
-20 dBFS at 1 kHz
Dynamic Range
106 dB
Equivalent Noise Level
14 dB SPL
Output Connectors (Analog)
1 x Proprietary
Output Connectors (Digital)
1 x Micro-USB
Digital Signal Processing
Noise Reduction
Colour
Black
Mounting
Camera/Shoe-Mount
Operating Temperature
32 to 104°F / 0 to 40°C
Storage Temperature
-4 to 131°F / -20 to 55°C
Dimensions
H: 3.22 x W: 1.08 x L: 3.91" / H: 81.8 x W: 27.4 x L: 99.3 mm
Weight
2.8 oz / 79 g
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