Shure BLX14R/MX53-H10
Wireless Headset System with MX153T/O-TQG Earset Microphone, 542-572 MHz


The Shure BLX14R/MX53 Wireless Headset System from Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection and the discreet MX153T/O-TQG earset microphone for spoken word applications. Legendary sound and performance, right out of the box.

For performers who wish to unplug from the wire, BLX Wireless Systems are the clearest choice. Shure delivers wireless confidence with legendary sound from industry-renown microphones, decades of wireless design proficiency and world-class construction. Available in a wide offering of bodypack and handheld configurations

Shure BLX14R/MX53-H10 Includes:

  • BLX4R rack mount wireless receiver with rack mount kit
  • BLX1 bodypack transmitter
  • MX153 omnidirectional condenser earset microphone

Shure BLX114R/MX53-H10 Features:

  • BLX1 Bodypack Transmitter:
    • TQG connection for use with Shure lavalier, headset, earset, and instrument microphones and guitar cables
    • Tactile on and off switch
    • Adjustable gain control
    • Lightweight, rugged construction
    • Up to 14 hours of continuous use (2x AA batteries included)
    • Up to 300 feet (100m) transmission radius (line of sight)
    • Quick and easy frequency matching (GROUP and CHANNEL selection buttons)
    • Two-color transmitter status indicator LED:
      • Green:  “Ready”
      • Rapidly Flashing Red:  “Controls Locked”
      • Solid Red:  “Battery Power Low” (less than1 hour remaining)
      • Flashing Red/Power Down:  “Batteries Dead” (replace batteries to repower transmitter)
  • BLX4R Single Channel Rackmount Receiver:
    • One-touch QuickScan frequency selection quickly locates the best open frequency (in case of interference)
    • Up to 12 compatible systems per frequency band (region-dependent)
    • Two-color audio status indicator LED
      • Green:  Normal audio levels
      • Red:  Excessive audio levels (overload/clipping)
    • XLR and 1/4" output connectors
    • Adjustable output level
    • Removable antennas for quick antenna distribution
    • LCD display with detailed RF and audio metering
    • Rugged metal construction, rack mount hardware included

Shure BLX14R/MX53-H10 Specifications:

  • Operating Range:  300 ft (91 m) line of sight (actual range depends on RF signal absorption, reflection and interference)
  • Available Frequencies:  Between 524 – 865 MHz (available frequencies depend on applicable regulations in country where system used)
  • Audio Range:  50 Hz - 15 kHz (dependent on microphone type)
  • Transmitter RF Output Power:  10 mW, typical (varies by region)
  • Audio Output Connector:  XLR and 1/4" (6.3 mm) unbalanced
  • Maximum Output Level:  -27 dBV (XLR, mic level), -13 dBV (1/4")
  • Battery Life:  Up to 14 hours
  • Dynamic Range:  100 dB A-weighted
  • System Distortion:  0.5% THD typical (ref. +/- 38 kHz deviation, 1 kHz tone)
  • Operating Temperature Range:  0°F  (-18°C) to 122°F (+50°C)
  • Power Requirements:
    • BLX1:  2 AA alkaline or rechargeable batteries (included)
    • BLX4R:  12 – 18 V DC at 260 mA, supplied by external power supply
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