Top Boundary Microphones for Perfect Conference Calls

As a professional seeking crystal-clear audio for conference calls, I have scoured the market for the top boundary microphones.

These sleek devices are the unsung heroes of the meeting room, capturing every voice with precision and clarity.

With options like the Shure MX396/C, Audio-Technica U851R, Crown PZM30D, Sennheiser E901, and MXL AC-404, achieving perfect conference calls has never been easier.

Join me as we explore the world of boundary microphones and elevate our communication to new heights.

Shure MX396/C Microflex Multi-Element Boundary Microphone

Having used the Shure MX396/C Microflex Multi-Element Boundary Microphone, I can confidently say that it enhances conference calls with its exceptional audio quality and versatile multi-element design. This boundary microphone offers numerous benefits and features that make it stand out in the market.

One of the key benefits of the Shure MX396/C is its superior audio quality. With its multi-element design, it captures sound from different directions, ensuring clear and natural audio reproduction. This is especially important in conference calls where participants may be located at various positions around the table.

The MX396/C also offers great flexibility and convenience. Its multi-element design allows you to easily adjust the microphone's coverage pattern to suit the room and the number of participants. This versatility makes it suitable for different conference room sizes and setups.

When comparing the Shure MX396/C to the Audio Technica U851R Unipoint Boundary Microphone, the MX396/C offers a more advanced multi-element design, allowing for better sound capture and coverage. The U851R, on the other hand, is a single-element microphone, limiting its ability to capture sound from multiple directions.

Audio-Technica U851R UniPoint Boundary Microphone

Continuing the discussion on top boundary microphones for perfect conference calls, I find the Audio-Technica U851R UniPoint Boundary Microphone to be a reliable option with its impressive features and functionality.

This microphone is designed to be placed on a flat surface such as a conference table, providing excellent audio pickup with its omnidirectional polar pattern. The U851R features a UniGuard RFI-shielding technology, which minimizes interference from mobile phones and other electronic devices, ensuring clear and uninterrupted audio transmission.

One of the standout features of the U851R is its low-profile design, which allows it to blend seamlessly into any conference room setup without drawing attention. It also comes with a heavy die-cast case and a high-quality finish, ensuring durability and longevity. The microphone has a wide frequency response of 30Hz to 20kHz, capturing a broad range of audio with accuracy and clarity.

In terms of specifications, the U851R has a maximum SPL of 134dB, allowing it to handle high sound pressure levels without distortion. It has a signal-to-noise ratio of 70dB, guaranteeing clean and clear audio reproduction.


  • Impressive audio pickup with omnidirectional polar pattern
  • UniGuard RFI-shielding technology minimizes interference
  • Low-profile design for seamless integration
  • Durable construction for longevity
  • Wide frequency response for accurate audio capture
  • High maximum SPL and signal-to-noise ratio for clear reproduction


  • None noted.

Crown PZM30D Pressure Zone Microphone

Moving on to the Crown PZM30D Pressure Zone Microphone, I found it to be another impressive option for perfect conference calls with its advanced features and reliable performance. The Crown PZM30D is a boundary microphone that utilizes Pressure Zone Microphone technology to deliver clear and natural sound reproduction in conference rooms, boardrooms, and other similar environments.

One of the key advantages of the Crown PZM30D is its wide frequency response range, which spans from 20Hz to 20kHz. This ensures that it can capture a broad range of audio frequencies, resulting in accurate and detailed sound reproduction. Additionally, the microphone features a built-in preamplifier, which allows for easy integration with audio systems and provides a balanced output signal.

The Crown PZM30D is designed to be mounted on a flat surface such as a table or a wall, and its hemispherical polar pattern provides a wide coverage area, allowing it to capture audio from all directions. This makes it suitable for applications where multiple participants are involved, such as conference calls or meetings.

Advantages Applications
Wide frequency response range Conference rooms
Built-in preamplifier Boardrooms
Hemispherical polar pattern Meeting rooms
Easy integration with audio systems Lecture halls

Sennheiser E901 Boundary Microphone

The Sennheiser E901 is a high-quality boundary microphone that excels in delivering exceptional sound for conference calls. It offers several advantages and is suitable for various applications.

Advantages of the Sennheiser E901 Boundary Microphone:

  • Wide frequency response: The E901 captures a broad frequency range, ensuring that all voices and audio details are captured accurately.
  • Low-profile design: Its sleek and compact design allows for discreet placement on conference tables, minimizing visual distractions.
  • Boundary effect: The E901 utilizes the boundary effect, which enhances the microphone's sensitivity to the sound coming from the tabletop. This results in improved clarity and reduced background noise.
  • Easy installation: With its plug-and-play functionality, the E901 can be quickly set up without the need for complex wiring or additional equipment.

Applications of the Sennheiser E901 Boundary Microphone:

  • Conference calls: The E901 is specifically designed for conference calls, ensuring clear and intelligible audio for all participants.
  • Meetings and boardrooms: It's highly suitable for capturing audio in meetings and boardrooms, providing an immersive and natural sound experience.
  • Lecture halls and classrooms: The E901 can be used in educational settings, ensuring that the speaker's voice is projected clearly to all students.
  • Recording studios: Its high-quality sound reproduction makes it a great choice for recording studios, allowing for accurate capturing of instruments and vocals.

MXL AC-404 USB-Powered Boundary Microphone

I've found another top boundary microphone for perfect conference calls: the MXL AC-404 USB-Powered Boundary Microphone. This microphone is powered by USB, making it convenient and easy to use. USB powered microphones are becoming increasingly popular due to their simplicity and versatility. They eliminate the need for external power sources, making setup and connection hassle-free.

One of the advantages of boundary microphones, such as the MXL AC-404, is their ability to capture audio from a wide area. This is achieved by placing the microphone on a flat surface, such as a table or podium. The boundary effect created by the surface helps to enhance the microphone's sensitivity and pick up sound from all directions.

The MXL AC-404 features a built-in headphone jack, allowing for real-time monitoring of the audio input. This is particularly useful for conference calls, as it allows users to hear themselves and adjust their speaking volume accordingly. Additionally, the microphone has a mute button, providing users with control over their audio output.

With its USB connectivity and boundary microphone design, the MXL AC-404 is an excellent choice for conference calls. It offers clear and accurate audio capture, making it an ideal solution for meetings, webinars, and other professional communication needs.

Frequently Asked Questions

What Is the Price Range for These Boundary Microphones?

The price range for these boundary microphones varies depending on the microphone features and the brand. It is best to research different brands and compare prices to find the one that fits your budget.

Are These Microphones Compatible With Both PC and Mac Systems?

Yes, these boundary microphones are compatible with both PC and Mac systems. They offer clear audio quality and a wide pickup range, making them perfect for conference calls. Just plug and play for optimal performance.

Can These Microphones Be Used for Recording Music or Only for Conference Calls?

Using boundary microphones for recording music provides superior sound quality compared to other types of microphones. In conference calls, boundary microphones offer advantages such as improved voice clarity and reduced background noise interference.

How Long Is the Warranty Period for These Microphones?

The warranty coverage for these microphones is unknown. The warranty claim process should be straightforward and can be done by contacting the manufacturer.

Is There Any Additional Software or Drivers Required to Use These Microphones?

No additional software or drivers are needed to use these microphones. They are plug-and-play devices, making setup quick and easy. This eliminates the hassle of dealing with complicated installations or compatibility issues.

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