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Shure

collapse expand iconDescription

The Shure MX393 Low Profile Boundary Microphone includes a programmable membrane on/off switch, an on/off indicator LED, and a miniature, three pin connector, and detachable 12 ft. (3.7 m) cable. Attractively designed with a low profile, professional appearance, the MX393 microphone feature a choice of interchangeable condenser cartridges. The MX393 is the high-quality solution for a range of applications, such as altars, boardrooms and distance learning centers. Comes with an easy to use paint mask for your custom-color installations.
Shure MX393/O Low Profile Boundary Mic Cardioid

collapse expand iconFeatures

  • Flat frequency response across the vocal range for uncolored sound
  • Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide choices for applications
  • Sleek, low-profile design for unobtrusive appearance
  • Balanced transformerless output for increased immunity to
  • noise over long cable runs
  • Low susceptibility to electromagnetic hum and Radio Frequency Interference
  • Programmable on/off switch and LED on/off indicator
  • Detachable 12 ft. (3.7 m) cable

collapse expand iconSpecs

  • Frequency Response: 50 to 17,000 Hz
  • Polar Pattern: Omnidirectional
  • Output Impedance: EIA Rated at 150 Ohms(180 Ohms actual)
  • Sensitivity (at 1 kHz, open circuit voltage): ”22.0 dBV/Pa (79.4 mV) 1 Pascal=94 dB SPL
  • Maximum Sound Pressure Level (1 kHz at 1% Total Harmonic Distortion,
  • 1 kohm load): 111.5 dB
  • Signal to Noise Ratio (referenced at 94 dB SPL): 76.5 dB
  • Equivalent Output Noise (A-weighted): 17.5 dB
  • Dynamic Range: 94.0 dB
  • Common Mode Rejection: 45 dB minimum, 10 Hz to 100 kHz
  • Switch Attenuation: 50 dB minimum
  • Preamplifier Output Clipping Level: ”6 dBV (0.5 V)
  • Polarity: Positive sound pressure on diaphragm produces positive voltage
  • on pin 2 relative to pin 3 of output connector.
  • Power Requirements: 11 to 52 Vdc phantom; 2.0 mA current consumption
  • Environmental Requirements: Operating Temperature Range: ”18 degrees C to 57 degrees C (0 degrees F to 135 degrees F); Relative Humidity: 0 to 95%
  • Dimensions (W x D x H) 3" x 4.26 x .833 (76.2 x 108.3 x 21.16 mm)

collapse expand iconWarranty

One year warranty on wireless mics, mixers, and circuitry products.
2 year warranty on wired mics.
Warranty terms vary. Check with manufacturer for specific product warranty.

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  • submitteda year ago

    asked byLauren

    fromDallas, TX

    I'm looking for an area microphone to use for a musical theatre production. Hanging microphone are not an option, so we have to use floor microphones. do you think this would work for other or are there other recommendations? Thanks!

    I'm looking for an area microphone to use for a musical theatre production. Hanging microphone are not an option, so we have to use floor microphones. do you think this would work for other or are there other recommendations? Thanks!

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