Product Overview
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
Includes
- BLX4R Rackmount Wireless Receiver
- BLX1 Bodypack Transmitter
- MX153 Omnidirectional Condenser Earset Microphone
- Rack Mount kit
- (2) 1/4 Wave BNC Antennas
- (2) BNC Bulkhead Adapters
- Zippered vinyl bag
- (2) 22 in. BNC Cable
- Power supply
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
- 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
- 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
- MX153 Omnidirectional Condenser Earset Microphone
- Subminiature, omnidirectional cartridge offers superior speech clarity and enhanced plosive protection with noproximity effect
- Terminated with TQG/TA4F connector for direct connectivity to Shure wireless bodypack transmitters
- Ultra-lightweight, comfortable, flexible design is stable and easy to place over either ear
- CommShield Technology guards against interference from cellular RF devices and digital bodypack transmitters
- Kevlar reinforced, soft flex cable
Specifications
- Operating Range: 300 ft (91 m) line of sight (actual range depends on RF signal absorption, reflection and interference)
- 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
- MX153 Omnidirectional Condenser Earset Microphone
- Transducer Type: Electret Condenser
- Polar Pattern: Omnidirectional
- Frequency Response: 20 to 20,000 Hz
- Output Impedance: N/A
- Sensitivity, open circuit voltage, @ 1 kHz, typical: -41 dBV/Pa (9 mV/Pa)
- Maximum SPL, 1 kHz at 1% THD
- 2500 Ω load: 107 dB SPL
- 1000 Ω load: 107 dB SPL
- Signal-To-Noise Ratio: 60 dB
- Dynamic Range @ 1 kHz
- 2500 Ω load: 73 dB
- 1000 Ω load: 73 dB
- Self Noise, equivalent SPL, A-weighted, typical: 34 dB
- Common Mode Rejection: 20 to 20,000 Hz
- Operating Temperature Range: -18°C (0°F) to 57°C (135°F)
- Polarity: Positive pressure on diaphragm produces negative voltage on pin 3 with respect to pin 1.
- Power Requirements: +1–5 V DC (500 µA max.)
- Weight: 19.76 g
