BLX1 Bodypack TransmitterUp to 14 hours of continuous use with 2 AA batteries. 300 ft (100 m) transmission radius.
BLX4 Single Channel ReceiverSingle channel wireless receiver with microprocessor-controlled internal antenna diversity.
SM31FH Fitness Headset Condenser MicrophoneCardioid condenser headset microphone for wireless systems features hydrophobic construction that repels moisture. For use in fitness instruction.
The BLX14/SM31 Headworn Wireless System is part of the BLX wireless systems family.
Shure BLX® Wireless Systems combine 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.
Includes BLX4 wireless receiver, BLX1 bodypack transmitter, SM31 fitness headset microphone, power supply, clothing clip, windscreens, and user guide.
FCC Consumer Alert (U.S.)
Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change.
For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.
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Service & Repair
Detailed policy information regarding customer service numbers, service modifications, and replacement parts.