SHURE 

SHURE MX391W-A/S SUBMINIATURE BOUNDARY CONDENSER MICROPHONE, HALF SUPERCARDIOID, MINIATURE BOUNDA

Mfg Part Number:  MX391W-A/S  
Price: $230.40
Quantity:
More to Come
Last Updated: Jan 28, 2026
No Sales Tax except these states
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  • Flat frequency response across the vocal range for uncolored sound
  • Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
  • Sleek, low-profile design for unobtrusive appearance
  • Balanced, transformerless output for increased immunity to noise over long cable runs


Equipped with features like programmable, silent membrane switches, logic inputs and outputs, Microflex® Boundary Microphones are the high-quality solution for a range of applications such as altars, boardrooms and distance learning centers. Every Microflex Boundary microphone features a choice of interchangeable condenser cartridges.

MX391: Includes attached 4 meter (12 ft) cable terminated with a 4-pin mini connector and separate preamplifier. A rubber strain relief is provided for applications that require removing the 4-pin mini connector and connecting the mic cable directly to screw terminals in the preamplifier.

Main Specification
General Information
Manufacturer Shure, Inc
Manufacturer Part Number MX391WAS
Manufacturer Website Address http://www.shure.com
Brand Name Shure
Product Line Microflex
Product Model MX391
Product Name Microflex MX391 Microphone
Product Type Microphone
Technical Information
Connectivity Technology Wired
Microphone
Microphone Technology Boundary
Microphone Technology Condenser
Polar Pattern Super-cardioid
Physical Characteristics
Product Color White
Miscellaneous
Package Contents
  • Microflex MX391 Microphone
  • Preamplifier
  • Rubber Strain Relief
Application/Usage Boardroom
Application/Usage E-learning
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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