Shure MX391/C
Microflex Cardioid Boundary Microphone with 12 ft Cable

OUR PART #  MX391/C


Shure's MX391/C Microflex® Boundary Microphone is equipped with features like programmable, silent membrane switches, logic inputs and outputs, and LED indicators, and is a 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.

The 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.

Shure MX391/C Features:

  • 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

Shure MX391/C Specifications:

  • Polar Pattern: Cardioid
  • Frequency Response: 50 Hz to 17 kHz (Preamp Only)
  • Impedance: 180 ohms actual (rated at 150 ohms) (Preamp Only)
  • Output Level: -6 dBV (0.5 V), 12 dB at 0 gain (Preamp Only)
  • Phantom power required?: 11 to 52 Vdc phantom, 2.0 mA current consumption (Preamp Only)
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