- Description
Details
Shure BLX14/SM31 Headworn Fitness Wireless System with SM31FH Fitness Headset Microphone
This Shure BLX wireless system combines professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage.
The BLX14/SM31 headworn wireless system includes a BLX4 wireless receiver, BLX1 bodypack transmitter, SM31 fitness headset microphone, power supply, clothing clip, windscreens, and user guide.
The BLX4 single channel receiver features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. It includes 1/4" and XLR audio outputs and two-color audio status indicator LED. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference.
The durable BLX1 bodypack features a lightweight, ergonomic design and adjustable gain control. It comes equipped with power and battery status LED, 2 AA batteries that provide up to 14 hours of continuous use and has an operating range (line of sight) of 300 ft (91 m).
The rugged and durable SM31FH is a cardioid condenser microphone constructed with hydrophobic materials that make it ideal for true performance in fitness instruction applications. The moisture-repellent cartridge housing ensures a long product life by protecting the microphone from the corrosion damage that causes typical fitness instruction headsets to fail. Available in bundled BLX wireless systems, the SM31FH features TA4F 4-pin (TQG) connectors that make it a viable replacement for any Shure wireless headset system.Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.
- Features
Features
BLX14/SM31 Headworn Wireless System:
- Easy set up and operation
- One-touch Quickscan frequency selection quickly locates the best open frequency
- Legendary Shure audio and durable construction
BLX4 Single Channel Receiver:
- XLR and ¼" output connectors
- Two-color audio status indicator LED
SM31FH Fitness Headset Condenser Microphone:
- Wireframe headset fits securely and comfortably for fitness and aerobics instructors
- Moisture-repellent hydrophobic fabric protects the microphone cartridge from harmful corrosion that occurs in humid environments
- Flexible gooseneck provides discrete adjustment capabilities to optimize placement for greatest isolation
- Lightweight and low-profile design won’t fatigue instructors during high-impact use
- TA4F (TQG) connector is compatible with any Shure wireless bodypack
- Included windscreen tames plosive, breath, and wind noise for clean and intelligible sound
- Tailored frequency response ideal for crisp, clear vocal reproduction
- Available with bundled BLX and GLX-D wireless systems
- Legendary Shure precision engineering for durability and performance
BLX1 Bodypack Transmitter:
- Quick and easy receiver frequency matching
- TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables
- Easily accessible On / Off switch
- Specification
BLX4 Wireless Receiver Output Impedance XLR connector: 200 Ω, 1/4" (6.35 mm) connector: 50 Ω Audio Output Level XLR connector: –27 dBV (into 100 kΩ load); 1/4" (6.35 mm) connector: –13 dBV (into 100 kΩ) Ref. ±33 kHz deviation with 1 kHz tone RF Sensitivity -105 dBm for 12 dB SINAD, typical Image Rejection >50 dB, typical Housing Molded ABS Power Requirements 12–15 V DC @ 160 mA (BLX88, 320 mA), supplied by external power supply (tip positive) Dimensions (H x W x D) 1.57" (40 mm) X 7.40" (188 mm) X 4.06" (103 mm) Weight 8.5 oz (241 g) SM31FH Headset Microphone Type Electret Condenser Frequency Response 45 to 20,000 Hz Polar Pattern Unidirectional (Cardioid) Output Impedance @ 1 kHz 600 Ω Audio Output Level -50 dBV/Pa Signal-To-Noise Ratio @ 1 kHz 66 dB Maximum SPL 1000 Ω load, @ 3% THD 145.0 dB Dynamic Range @ 1 kHz, 1000 Ω Load 117.0 dB Equivalent Output Noise Typical, A-Weighted 28 dB Power Requirements +5 V DC (nominal), 10 V maximum (DC bias) Polarity Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1 Cable 45" (1.1 m) Connector TA4F Weight 2.11 oz (60 g) BLX1 Bodypack Transmitter Audio Input Level Gain max: -16 dBV maximum; min (0 dB): +10 dBV maximum Gain Adjustment Range 26 dB Input Impedance 1 MΩ RF Transmitter Output 10 mW, typical Housing Molded ABS Power Requirements 2 LR6 AA batteries, 1.5 V, alkaline Battery Life Up to 14 hours (alkaline) Dimensions (H x W x D) 4.33" (110 mm) x 2.52" (64 mm) x 0.83" (21 mm) Weight 2.6 oz (75 g) - Documents
- System Includes
System Includes
- (1) BLX4 Single Channel Wireless Receiver
- (1) SM31FH Fitness Headset Condenser Microphone
- (1) BLX1 Bodypack Transmitter
- (1) Power Supply
- (1) Clothing Clip
- (1) Windscreens
- (1) User Guide
- Reviews
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