
Shure BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System
- 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
The Shure BLX14/SM31 brings 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 | |
| Included Transmitters | |
| Diversity | |
| Max Operating Range | |
| Receiver Type | |
| Microphone Type | |
| Polar Pattern |
| Wireless Technology | |
| Number of RF Channel Frequencies | |
| Included Transmitters | |
| Diversity | |
| RF Bandwidth | |
| RF Channel Scanning | |
| Max Operating Range | |
| Max Transmitters per Band | |
| Built-In Recorder | |
| Timecode Support | |
| Mobile App Compatible | |
| Dynamic Range |
| Receiver Type | |
| Antenna | |
| Number of Audio Channels | |
| Built-In Microphone | |
| Audio I/O | |
| Audio Output Level | |
| Frequency Response | |
| USB Class-Compliant | |
| Impedance | |
| Power Requirements | |
| AC/DC Power Adapter | |
| Input Power | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Transmitter Type | |
| RF Output Power | |
| Built-In Microphone | |
| Audio I/O | |
| Muting | |
| Auto-Level Control | |
| Gain Range | |
| Sync Method | |
| Antenna | |
| Power Requirements | |
| Battery Type | |
| Approx. Battery Life | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Microphone Type | |
| Color | |
| Sound Field | |
| Capsule | |
| Polar Pattern | |
| Frequency Range | |
| SNR | |
| Maximum SPL | |
| Impedance | |
| Dynamic Range | |
| Output Connector | |
| Cable Length | |
| Operating Voltage | |
| Weight |
| Package Weight | |
| Box Dimensions (LxWxH) |
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
- 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
The Shure BLX14/SM31 brings 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 | |
| Included Transmitters | |
| Diversity | |
| Max Operating Range | |
| Receiver Type | |
| Microphone Type | |
| Polar Pattern |
| Wireless Technology | |
| Number of RF Channel Frequencies | |
| Included Transmitters | |
| Diversity | |
| RF Bandwidth | |
| RF Channel Scanning | |
| Max Operating Range | |
| Max Transmitters per Band | |
| Built-In Recorder | |
| Timecode Support | |
| Mobile App Compatible | |
| Dynamic Range |
| Receiver Type | |
| Antenna | |
| Number of Audio Channels | |
| Built-In Microphone | |
| Audio I/O | |
| Audio Output Level | |
| Frequency Response | |
| USB Class-Compliant | |
| Impedance | |
| Power Requirements | |
| AC/DC Power Adapter | |
| Input Power | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Transmitter Type | |
| RF Output Power | |
| Built-In Microphone | |
| Audio I/O | |
| Muting | |
| Auto-Level Control | |
| Gain Range | |
| Sync Method | |
| Antenna | |
| Power Requirements | |
| Battery Type | |
| Approx. Battery Life | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Microphone Type | |
| Color | |
| Sound Field | |
| Capsule | |
| Polar Pattern | |
| Frequency Range | |
| SNR | |
| Maximum SPL | |
| Impedance | |
| Dynamic Range | |
| Output Connector | |
| Cable Length | |
| Operating Voltage | |
| Weight |
| Package Weight | |
| Box Dimensions (LxWxH) |
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
Description
- 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
The Shure BLX14/SM31 brings 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 | |
| Included Transmitters | |
| Diversity | |
| Max Operating Range | |
| Receiver Type | |
| Microphone Type | |
| Polar Pattern |
| Wireless Technology | |
| Number of RF Channel Frequencies | |
| Included Transmitters | |
| Diversity | |
| RF Bandwidth | |
| RF Channel Scanning | |
| Max Operating Range | |
| Max Transmitters per Band | |
| Built-In Recorder | |
| Timecode Support | |
| Mobile App Compatible | |
| Dynamic Range |
| Receiver Type | |
| Antenna | |
| Number of Audio Channels | |
| Built-In Microphone | |
| Audio I/O | |
| Audio Output Level | |
| Frequency Response | |
| USB Class-Compliant | |
| Impedance | |
| Power Requirements | |
| AC/DC Power Adapter | |
| Input Power | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Transmitter Type | |
| RF Output Power | |
| Built-In Microphone | |
| Audio I/O | |
| Muting | |
| Auto-Level Control | |
| Gain Range | |
| Sync Method | |
| Antenna | |
| Power Requirements | |
| Battery Type | |
| Approx. Battery Life | |
| Display & Indicators | |
| Housing | |
| Dimensions | |
| Weight |
| Microphone Type | |
| Color | |
| Sound Field | |
| Capsule | |
| Polar Pattern | |
| Frequency Range | |
| SNR | |
| Maximum SPL | |
| Impedance | |
| Dynamic Range | |
| Output Connector | |
| Cable Length | |
| Operating Voltage | |
| Weight |
| Package Weight | |
| Box Dimensions (LxWxH) |
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






















