Shure BLX14R/SM31 Wireless 1/2R Headset System (K14: 614-638MHz)

Features

• Vailable Transmitter Form factors: Bodypack
• Operating range (up to): 100 m (Under typical conditions)
• BLX4R Wireless Receiver
• Frequency Band Version K14: 614-638MHz

BLX4R Wireless 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)
• XLR and ¼” output connectors
• Two-color audio status indicator LED
  • Green: Normal audio levels
  • Red: Excessive audio levels (overload/clipping)
• Adjustable output level
• Removable antennas for quick antenna distribution
• LC Display with detailed RF and audio metering
• Rack mount kit included

BLX1 Wireless Bodypack Transmitter

• Power and battery status LED
• Adjustable gain control
• Quick and easy frequency matching
• AA batteries (included) provide up to 14 hours of continuous use
• 100 m (300 ft.) operating range (line of sight)

Fitness Headset Condenser Microphone

• Wearable wireframe headset with secure, comfortable fit made for fitness and aerobics instructors
• Integrated moisture-repelling hydrophobic fabric protects the microphone element from harmful corrosion for use in humid environments
• Flexible gooseneck provides discrete adjustment options to optimize placement for greatest isolation
• Lightweight and low-profile form factors stave off fatigue during high-impact use
• Compatible with Shure wireless bodypack systems for direct replacement of TA4F-connected microphones
• Available with a wide range of Shure wireless systems, renowned for ease of use and reliable performance
• Included windscreen tames plosive, breath and wind noises for clean and intelligible sound
• Tailored frequency response refined for crisp and clear vocal reproduction
• Legendary Shure precision engineering for durability and performance

Specifications

BLX14R/SM31 Specifications

• Set Type: Headset
• Amount of Bodypacks: 1
• Amount of Handhelds: 0
• Amount of TQG Mics: 1

BLX4R Specifications

• Weight: 998 g
• Height x Width x Depth: 45.0 × 198.0 × 163.0 mm
• Transmission: Analog
• Type of Power Supply: External
• Receiver Housings: Molded ABS, Metal
• Active Antenna Possible: Optional with UABiasT
• Bias via BNC: No
• Encryption: No
• High Density Mode: No
• Interference Detection: No
• Remote Control: No
• Number of compatible systems per frequency band: 12
• DANTE-Enabled Products: No
• Scan Features: Quick Scan
• Sync Features: None
• Detachable Antennas: Yes
• Network ability: No
• Software control: No
• Logic: No
• Cascade: No
• Rack Hardware: Included Rack Mounts Brackets
• Receiver Displays: Multi-function LCD
• Receiver type: Single
• Included antenna: External 1/4 Wave
• Battery Status: Multi-Color LED
• Line Mic Switch: No
• Image Rejection: 50 dB, typical
• RF Sensitivity: -105 dBm, for 12dB SINAD, typical
• Phantom Power Protection: Yes
• Antenna Input Impedance: 50 Ω

BLX1 Specifications

• Weight: 75 g
• Height x Width x Depth: 110.0 × 64.0 × 21.0 mm
• Battery life lithium: 0 h
• Battery life alkaline: 14 h
• Form Factor: Bodypack
• Transmitter housings: Molded ABS
• Audio Mute: No
• Detachable Antennas: No
• Switchable RF power: No
• Batteries: AA
• Battery Status: Multi-Color LED
• Connectors: TQG
• Frequency Diversity: No
• Functionality: Transmitter
• Gain adjustment range: 26 dB
• High Density Mode: No
• Included antenna: 1/4 wave
• Input impedance: 1000 kΩ
• Transmission: Analog

SM31FH Specifications

• Weight: 60 g
• Frequency Response: 45 Hz – 20 kHz
• Frequency Response: Tailored
• Sensitivity: -50.00 dBV/Pa – 3.16 mV/Pa
• Self-Noise: 28 dB(A)
• Max. Sound Pressure Level: 145.0 dB
• Transducer Type: Condenser
• Polar Pattern: Cardioid
• Switchable low cut: No
• Connectors: TQG (T4AF, 4-Pin Mini)
• Attenuator: No
• Interchangeable Capsule: No
• Main Functionality: Performance
• Headphone Output: No
• Requires Phantom Power: 5v DC (bias) VDC
• Cartridge: Fixed