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Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black — main product image
Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black
Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black
Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black
Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black
Shure

Shure CVB-B/C Boundary Condenser Microphone Cardioid - Black

★★★★★4.7 (221 reviews)
CondenserXLR

Discreet boundary microphone with CommShield RF rejection for boardrooms, podiums, and houses of worship.

$125.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Shure CVB-B/C is a half-cardioid boundary condenser microphone purpose-built for installed sound reinforcement in conference rooms, courtrooms, houses of worship, and lecture halls. Its flat, low-profile housing sits directly on a table or podium surface, using the boundary effect to deliver consistent, phase-coherent audio pickup. The cardioid polar pattern focuses sensitivity toward the talker while attenuating ambient room noise, feedback, and off-axis sound sources — a critical advantage in reverberant or multi-microphone environments.

What sets the CVB-B/C apart from generic boundary microphones is Shure's CommShield Technology, which provides measurable rejection of radio-frequency interference generated by nearby smartphones, two-way radios, and other wireless devices. In boardroom and government settings where participants routinely keep phones on the table, this eliminates the buzzing artifacts that plague unshielded condenser microphones. The attached 12-foot XLR cable and black finish allow for clean, professional installations with minimal visual impact, making the CVB-B/C a set-and-forget solution for permanent AV systems.

Key Features

Available in cardioid or omnidirectional polar patterns

CommShield Technology that guards against unwanted RF interference from portable wireless devices (smartphones, etc.) and high resistance to intense nearby radio signals

Available in black with attached 12’ XLR cable

Frequency response ideal for capturing fast transients in a wide variety of locations, including podiums and desktops

Superior Shure design and rugged, dependable construction

Specifications

Brand
Shure
Model
CVB-B/C
Microphone Type
Boundary Condenser
Polar Pattern
Cardioid
Cable Length
12 Feet
Connector Type
XLR
Connectivity
Wired
Color
Black
Special Features
CommShield Technology (RF Interference Rejection)
Recommended Use
Podiums, Desktops, Video Conferencing

Pros & Cons

👍 Pros

  • Low-profile design sits unobtrusively on desks and podiums without blocking sightlines.
  • CommShield Technology effectively rejects RF interference from smartphones and wireless devices in the room.
  • Attached 12-foot XLR cable simplifies installation and reduces cable clutter.
  • Cardioid pattern focuses pickup on the speaker while minimizing room noise and feedback.
  • Rugged Shure construction holds up well in permanent installation environments.

👎 Cons

  • Fixed 12-foot cable length cannot be swapped or extended without an additional XLR coupler.
  • Wired-only design with no wireless option limits placement flexibility in some venues.
  • Requires external phantom power, adding a dependency on compatible audio equipment.
  • Cardioid-only model means you need the separate omnidirectional version if broader pickup is required.

Frequently Asked Questions

The CVB-B/C uses a cardioid polar pattern, which picks up sound primarily from in front of the microphone while rejecting noise from the sides and rear.
It comes with a permanently attached 12-foot XLR cable, so no additional cabling is needed for most desktop or podium setups.
CommShield is Shure's proprietary RF interference rejection technology built into the CVB-B/C. It prevents buzzing and noise caused by nearby smartphones, wireless devices, and strong radio signals.
Yes, as a condenser microphone, the CVB-B/C requires standard 48V phantom power supplied by your mixer, audio interface, or preamp.
The CVB-B/C performs best on flat, hard surfaces such as conference tables, podiums, and desktops, where the boundary effect reinforces the pickup pattern.

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