Shure BLX14R/MX53 Wireless Headset Microphone H11

The Shure BLX14R/MX53 brings presenters, teachers, clergy, and lecturers a cost-effective wireless earset microphone system with quality sound, simple setup, intuitive operation, and dependable performance right out of the box. It includes the rugged BLX4R single-channel receiver with LCD display, adjustable output level, and removable antennas for rackmounting the unit—ideal for A/V installations and sound-reinforcement applications.

Features:

• For Presenters and Lecturers
• MX153 Omni Subminiature Earset Mic
• Lightweight Bodypack Transmitter
• Single-Channel Rackmount Receiver
• 123 Auto-Scan Frequencies
• Two Removable Antennas with Diversity
• Adjustable Output Level
• Rugged Metal Construction
• 14-Hr AA Batteries
• Expandable to 12 Mic Channels/300' Range

Specifications:

• System:
  • Wireless Technology: Analog UHF
  • Number of RF Channel Frequencies: 123
  • Included Transmitters: 1 x Bodypack
  • Diversity: Antenna Diversity
  • RF Frequency Band:
    • H11: 572 to 596 MHz
  • RF Bandwidth: 24 MHz
  • RF Channel Scanning: Auto-Scan
  • Max Operating Range: 300' / 91.4 m (Line of Sight)
  • Max Transmitters per Band: 12
  • Dynamic Range: 100
• Receiver:
  • Receiver Typegood: Tabletop
  • Mounting Options: Rackmount (with Included Hardware)
  • Rackmount Size: 1 RU (1/2 Rack)
  • Antenna: 2 x 1/4 Wave External, Detachable (Rear-Mount)
  • Number of Audio Channels: 1
  • Audio I/O:
    • 1 x XLR 3-Pin Male Balanced Output
    • 1 x 1/4" TS Female Unbalanced Output
  • Audio Output Level:
    • XLR Output: -20.5 dBV (Mic Level)
    • 1/4" Output: -13 dBV (Instrument Level)
  • Frequency Response: 50 Hz to 15 kHz (Dependent on Mic)
  • Impedance:
    • XLR Output: 200 Ohms
    • 1/4" Output: 50 Ohms
  • Adjacent Channel Isolation: >50 dB
  • Power Requirements: AC/DC Power Adapter
  • AC/DC Power Adapter: 12 to 15 VDC at 260 mA, Center-Positive (Included)
  • Display & Indicators:
    • 1 x Backlit LCD (AF Level, Channel, Group, Metering, RF Level)
    • 1 x LED (Transmitter Battery Status)
  • Housing: Steel
  • Dimensions: 7.8 x 2 x 6.4" / 198 x 50 x 163 mm (without Mounting Hardware, Antennas)
  • Weight: 35.2 oz / 998 g
• Transmitter:
  • Transmitter Type: Bodypack
  • RF Output Power: 10 mW
  • Audio I/O: 1 x TA4/Mini XLR 4-Pin Male Input (Lockable)
  • Muting: Off/On Switch
  • Auto-Level Control: No
  • Gain Range: -16 to +10 dB
  • Sync Method: Manual
  • Antenna: 1 x Flexible Whip, Fixed (Beltpack)
  • Power Requirements: Battery
  • Battery Type: 2 x AA (Included)
  • Approx. Battery Life: 14 Hours (Alkaline)
  • Display & Indicators:
    • 1 x Multi-Segment LED (Channel, Group)
    • 1 x LED (Battery Status, Power)
  • Housing: ABS
  • Dimensions: 2.5 x 4.3 x 0.8" / 64 x 110 x 21 mm
  • Weight: 2.6 oz / 75 g (without Batteries)
• Microphone:
  • Microphone Type: Earset
  • Sound Field: Mono
  • Capsule: Electret Condenser
  • Polar Pattern: Omnidirectional
  • Frequency Range: 20 Hz to 20 kHz
  • SNR: 60 dB
  • Equivalent Noise Level: 34 dB
  • Maximum SPL: 107 dB SPL
  • Dynamic Range: 73 dB
  • Output Connectors: 1 x TA4/Mini XLR 4-Pin Female (Lockable)
  • Cable Length: 4' / 1.22 m
  • Operating Voltage: 1 to 5 V
  • Weight: 0.7 oz / 19.76 g
• Packaging Info:
  • Package Weight: 7.11 lb
  • Box Dimensions (LxWxH) 18.5 x 14.8 x 4"