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Shure

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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.
Open Box Shure MX393/O Low Profile Boundary Mic Level 1 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)

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