Shure MX391 Microflex Boundary Microphone

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Shure MX391 Microflex Boundary Microphone, Black, MX391/O, Omnidirectional, Open Box (Like New), Action Position Front Shure MX391 Microflex Boundary Microphone, Black, MX391/O, Omnidirectional, Open Box (Like New), Main
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Place this Shure Microflex boundary mic on a table, lectern, or stage floor to capture audio while staying out of the way. Includes in-line XLR preamp.

The Shure MX391 Boundary microphone provides high-quality sound for a wide range of applications due to its interchangeable condenser cartridge and low-profile design.

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

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.

Weight: 126 g / 0.278 lbs
Height: 19.05 mm / 0.75 in
Width: 53.04 mm / 2.088 in
Depth: 79.4 mm / 3.126 in
Transducer Type: Condenser
Polar Pattern: Cardioid, Omnidirectional, Supercardioid
Frequency Range From (Hz): 50
Frequency Range To (kHz): 17
Sensitivity dBV/Pa:
- Cardioid: -30.00
- Supercardioid: -28.00
- Omnidirectional: -22.00
Sensitivity mvpa:
- Cardioid: 34.00
- Supercardioid: 39.00
- Omnidirectional: 81.00
Equivalent Selfnoise:
- Half-Cardioid: 22.6 dB(A)
- Half-Supercardioid: 21.3 dB(A)
- Half-Omnidirectional: 14.5 dB(A)
Maximum Sound Pressure:
- Cardioid: 119 dB
- Omnidirectional: 111 dB
- Supercardioid: 118 dB
Impedance (Ohm): Rated: 150 / Actual: 180
Switchable Low Cut: no
Output Connectors: 3 Pin XLR, TQG (TA4F, 4-Pin Mini)
Attenuation PAD: no
Interchangeable Capsule: yes
Requires Phantom Power (VDC): 11 to 52

Dimensions and Weight in Packaging

Black, MX391/O, Omnidirectional

  • Shipping Weight: 0.89 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391/O

Open Box (Like New), Black, MX391/O, Omnidirectional

  • Shipping Weight: 0.89 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391/O

Black, MX391/S, Supercardioid

  • Shipping Weight: 0.89 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391/S

White, MX391W-A/C, Cardioid

  • Shipping Weight: 0.88 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391W-A/C

White, MX391W-A/O, Omnidirectional

  • Shipping Weight: 0.88 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391W-A/O

White, MX391W-A/S, Supercardioid

  • Shipping Weight: 0.89 lbs
  • Shipping Dimensions: 10 x 5 x 3 in
  • Manufacturer Part Number (MPN): MX391W-A/S

For support or warranty questions, please contact the manufacturer:
Phone: 800-516-2525
Email: service@shure.com

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Black, MX391/O, Omnidirectional, Open Box (Like New)

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