Conferencing System

The Shure MX391W-A/O MicroFlex Series boundary microphone, designed for meeting rooms and conferences, captures the sound of all participants with its omnidirectional polar pattern and interchangeable capsules. With nearly a century of expertise, Shure guarantees exceptional flexibility and audio quality, in particular thanks to the detachable preamp that protects against interference.

ARTICLE N° 95814
  • Shure MX391W-A/O
  • Boundary microphone
  • MicroFlex series
  • For mounting on a table or lectern
  • Connection via the back of the microphone
  • Fixed cable, TA4F connector
  • Cable length: 4 m
  • Configurable switch
  • LED operating indicator
  • Polar pattern: Cardioid
  • Detachable RK100PK preamp protected against interference
  • Frequency response: 50 Hz - 17 kHz
  • Output impedance: 180 Ω
  • Sensitivity: -22 dBV/Pa (81.4 mV)
  • Maximum SPL: 111 dB
  • Noise: 15 dB
  • Signal-to-noise ratio: 80 dB
  • Dynamic range: 96 dB
  • Common mode rejection: 45.0 dB minimum
  • Power supply required: 11 – 52 Vdc phantom, 2 mA
  • Supplied with storage bag, Allen key n°4
  • Color: White
  • Dimensions: 108 x 76 x 25 mm
The Shure MX391W-A/O is a MicroFlex Series boundary microphone, ideal for meeting and conference rooms. With its 4-meter rear-connected cable and detachable RK100PK preamp, it offers great flexibility in the choice of resources. Its omnidirectional polar pattern allows for precise sound capture for all participants.

Each unit has an interchangeable condenser capsule, offering cardioid, super-cardioid and omnidirectional polar patterns available separately. This versatility allows for customization of sound capture according to the specific needs of each installation.

The MX391W-A/O's preamp is designed to eliminate interference, ensuring clear and faithful audio reproduction. A configurable touch switch allows easy management of microphone activity, while an integrated LED indicator provides an immediate visual indication of operational status, simplifying the adjustment of operating parameters.
Component(s)
 surface microphone
Power supply
 Via +48 V phantom power supply

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