Shure MX395B/O

Overview

The Shure MX395B/O is a low-profile omnidirectional boundary microphone designed for permanent installation in environments where clear voice capture is essential but visual distraction must be minimized. Its compact size, with a diameter of just 1.26 inches and a height of 0.8 inches, allows it to be recessed into tables or lecterns without obstructing sightlines or workspace. The microphone uses an electret condenser element combined with the boundary effect to evenly capture speech from all directions while reducing room ambience, making it ideal for boardrooms, classrooms, and council chambers.

Key features

• Omnidirectional capsule paired with boundary effect ensures consistent voice pickup from every seat around the table
• Compact design with a minimal footprint keeps the microphone discreet and out of camera lines and eye contact paths
• Integrated low-cut filter at 150 Hz with a 6 dB per octave slope reduces low-frequency noise caused by table vibrations and bumps
• CommShield circuitry inside the housing minimizes interference from mobile phones and other RF sources, maintaining clear audio during meetings
• Operates on standard phantom power ranging from 11 to 52 volts via a 3-pin XLR connector, compatible with most mixers and DSPs

Key specs

• Polar pattern: Omnidirectional
• Diameter: 1.26 inches (32 mm)
• Height: 0.8 inches (20 mm)
• Low-cut filter: 150 Hz at 6 dB per octave
• Power requirements: 11 to 52 V phantom power
• Connector type: 3-pin XLR
• Element type: Electret condenser

Connectivity and compatibility

The microphone connects via a standard 3-pin XLR cable, which carries both the audio signal and phantom power. This makes it compatible with a wide range of professional audio mixers, digital signal processors, and conferencing systems that supply phantom power within the 11 to 52-volt range. Its design supports seamless integration into existing AV setups without requiring specialized adapters or power supplies.

Installation and setup

Installation involves recessing the microphone into a table or lectern surface, where its low profile ensures it remains unobtrusive. The boundary effect leverages the mounting surface to enhance speech clarity and reduce ambient noise. Setup is straightforward, requiring only connection to a phantom power source via the XLR cable. The built-in low-cut filter helps maintain audio quality by filtering out unwanted vibrations and rumble from the mounting surface.

Ideal uses and environments

This microphone is well suited to professional environments such as video conferencing suites, training rooms, lecture halls, and council chambers where clear speech intelligibility is critical. Its discreet design and effective noise control make it a strong choice for settings that demand minimal visual impact while maintaining high-quality audio capture. It works well in spaces where multiple participants need to be heard evenly without the microphone drawing attention.

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