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Product 270913

Shure MX690 Microflex Wireless Boundary Microphone   

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The Shure MX690 Microflex Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation. Th...Read More

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The Shure MX690 Microflex Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation. The MX690 plate mic is a both a microphone and a wireless transmitter and is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX wireless systems, including the SLX4L receiver with logic output for applications requiring logic functionality.

FEATURES
  • Sleek, low profile design
  • Frequency agile, microprocessor controlled transmitter
  • Bi-color status indicator
  • IR link to SLX receiver for automatic frequency synchronization
  • Programmable mute function
  • Battery level indicator
  • Operates on two AA batteries
  • Logic output for remote LED and mute control
  • CommShield Technology for improved RF filtering

SPECIFICATIONS

MX690 Microflex Wireless Boundary Microphone

  • Transmitter Specifications
    Operating Range: 100 ft (30 m) (Note: Actual range depends on RF signal absorption, reflection, and interference)
    Frequency Stability: ±10 ppm
    Maximum Frequency Deviation: 45 kHz
    Oscillator Type: Phase-locked loop (PLL) controlled synthesizer
    Power Requirements: 3V (2 AA alkaline or rechargeable batteries)
    Battery Life: ‰8 hours (alkaline)
    Power Consumption: 130 mA, ±15 mA
    Operating Temperature Range: -18”57 degrees C (0”135 degrees F)
    (Note: Battery may limit this range)
    Dimensions (H x W x D): 1-11/16" x 3-3/8" x 5-13/16" (43 x 87 x 148 mm)
    Weight: 11.2 oz (318 g)

    Microphone
    Type: Condenser (electret bias)
    Frequency Response: 50”17000 Hz
    Polar Pattern (at 1 kHz): Cardioid
    Sensitivity (at 1 kHz , open circuit voltage): ”33 dBV/Pa (22 mV) 1 Pascal=94 dB SPL
    Dynamic Range (1 kohm load at 1 kHz): 96 dB
    Common Mode Rejection (10 Hz to 100 kHz): 45 dB minimum
    Preamplifier Output Clipping Level (1% THD): ”6 dBV (0.5 V)
    Polarity: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connector or tip of 1/4" phone plug.
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