Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System
Key FeaturesFor Fitness InstructorsSM31FH Cardioid Fitness Headset MicMoisture-Repellent Mic ConstructionLightweight Bodypack TransmitterSingle-Channel Tabletop Receiver123 Auto-Scan FrequenciesInternal Antenna Diversity14-Hr AA BatteriesExpandable to 12 M
$431.99
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$129.60
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Details
Key Features
- For Fitness Instructors
- SM31FH Cardioid Fitness Headset Mic
- Moisture-Repellent Mic Construction
- Lightweight Bodypack Transmitter
- Single-Channel Tabletop Receiver
- 123 Auto-Scan Frequencies
- Internal Antenna Diversity
- 14-Hr AA Batteries
- Expandable to 12 Mic Channels/300′ Range
Overview
TheShure BLX14/SM31brings fitness and aerobics instructors a cost-effective wireless headset microphone system with quality sound, simple setup, intuitive operation, and dependable performance right out of the box. It includes the compact and lightweight BLX4 single-channel tabletop receiver with internal antennas, ideal for portable use.
The BLX14/SM31 also includes an SM31FH cardioid fitness headset mic with windscreen and a bodypack transmitter. The headset is specifically designed to stay comfortable and securely in place, even during the most active workouts. Moisture-repellent hydrophobic fabric helps protect the microphone capsule from sweat and humidity.
The receiver features one-touch QuickScan frequency selection to quickly search 123 available frequencies and locate a clean RF channel in case of interference. The system provides up to 14 hours of continuous use with two AA batteries, at a range up to 300′. Up to 12 mic channels can operate simultaneously in each frequency band.
Key Specs
Wireless Technology | Analog UHF |
Included Transmitters | 1x Bodypack |
Diversity | Antenna Diversity |
Max Operating Range | 300′ / 91.4m (Line of Sight) |
Receiver Type | Tabletop |
Microphone Type | Headset |
Polar Pattern | Cardioid |
System
Wireless Technology | Analog UHF |
Number of RF Channel Frequencies | 123 |
Included Transmitters | 1x Bodypack |
Diversity | Antenna Diversity |
RF Bandwidth | 24 MHz |
RF Channel Scanning | Auto-Scan |
Max Operating Range | 300′ / 91.4m (Line of Sight) |
Max Transmitters per Band | 12 |
Built-In Recorder | No |
Timecode Support | No |
Mobile App Compatible | No |
Dynamic Range | 100 dBA |
Receiver
Receiver Type | Tabletop |
Antenna | 2x Internal, Fixed |
Number of Audio Channels | 1 |
Built-In Microphone | No |
Audio I/O | 1x XLR 3-Pin Male Balanced Output 1x 1/4″ TS Female Unbalanced Output |
Audio Output Level | XLR Output: -27 dBV (Mic Level) 1/4″ Output: -13 dBV (Instrument Level) |
Frequency Response | 50 Hz to 15 kHz (Dependent on Mic) |
USB Class-Compliant | No USB Connectivity |
Impedance | XLR Output: 200 Ohms 1/4″ Output: 50 Ohms |
Power Requirements | AC/DC Power Adapter |
AC/DC Power Adapter | 12 to 15 VDC at 160 mA, Center-Positive (Included) |
Input Power | 100 to 240 VAC, 50 / 60 Hz at 150 mA |
Display & Indicators | 1x Multi-Segment LED (Channel, Group) 2x LED (AF Level, Sync) |
Housing | ABS |
Dimensions | 7.4 x 1.6 x 4.1″ / 188 x 40 x 103mm |
Weight | 8.5oz / 241g |
Transmitter
Transmitter Type | Bodypack |
RF Output Power | 10 mW |
Built-In Microphone | No |
Audio I/O | 1x TA4/Mini-XLR 4-Pin Male Input (Locking) |
Muting | Off/On Switch |
Auto-Level Control | No |
Gain Range | -16 to +10 dB |
Sync Method | Manual |
Antenna | 1x Flexible Whip, Fixed (Beltpack) |
Power Requirements | Battery |
Battery Type | 2x AA (Included) |
Approx. Battery Life | 14 Hours (Alkaline) |
Display & Indicators | 1x Multi-Segment LED (Channel, Group) 1x LED (Battery Status, Power) |
Housing | ABS |
Dimensions | 2.5 x 4.3 x 0.8″ / 64 x 110 x 21mm |
Weight | 2.6oz / 75g (without Batteries) |
Microphone
Microphone Type | Headset |
Color | Black |
Sound Field | Mono |
Capsule | Electret Condenser |
Polar Pattern | Cardioid |
Frequency Range | 45 Hz to 20 kHz |
SNR | 66 dB |
Maximum SPL | 145 dB SPL |
Impedance | 600 Ohms |
Dynamic Range | 117 dB |
Output Connector | 1x TA4F/Mini-XLR 4-Pin Female (Locking) |
Cable Length | 3.61′ / 1.1m |
Operating Voltage | 5 V |
Weight | 2.12oz / 60g |
Packaging Info
Package Weight | 4.15 lb |
Box Dimensions (LxWxH) | 13.55 x 11.8 x 4.25″ |
What’s in the Box:
- Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System
- Shure BLX4 Tabletop Wireless Receiver
- Shure BLX1 Wireless Bodypack Transmitter
- Shure SM31FH Fitness Headset Condenser Microphone
Windscreen - Shure PS24US Power Supply for Select Wireless Receivers
- 2 x AA Batteries
- Limited 1-Year Manufacturer Warranty
Shipping Info
- Cost: $25
- Free Shipping
- We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout.
- Delivery Time:
- It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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