The BLX14/SM31 Wireless System is designed for intense workouts and features the SM31 Fitness Headset, which is made from corrosion-proof materials and can handle sweat and shouting without compromising performance. Shure BLX Wireless Systems ensure a rock-solid signal from transmitter to receiver, eliminating interference and drop-outs for clear sound. The Quickscan technology makes finding the best frequency for your performance as easy as pressing a button.
To set up the system, simply plug the mic output from the receiver into a channel on your mixing desk, like you would with a normal wired mic. Perform a Quickscan by pressing the group button on the receiver, which searches for the clearest frequency in your environment. Plug your SM31 headset into the TGQ connection on the transmitter and use the group and channel buttons to pair the transmitter to the receiver. The ready LED on the receiver will light up, indicating that the system is set up. Adjust the transmitter gain dial to suit your voice, and you’re ready to perform wirelessly.
The SM31 Fitness Headset is specifically designed for aerobics and fitness instructors, with a rugged wire-form design that stays in place during high-energy workouts. It is assembled with lightweight components for comfortable wear for extended periods. The headset offers the same quality as Shure’s handheld mics with exceptional clarity, and the moisture-resistant fabrics protect the mic capsule from sweat.
The Shure BLX System provides comprehensive monitoring for peace of mind. The receiver’s “ready” LED indicates when the system is set up and secure, and there are LED indicators for signal clipping and low battery on the transmitter. The system is easy to set up straight out of the box, with clear and simple instructions.
The BLX14E/SM31-T11 is built to withstand the demands of life on the road and is subject to rigorous testing for heat, cold, humidity, and the “Shure drop test.” Included in the box are the SM31FH-TQG headset microphone, BLX1 bodypack transmitter, BLX4 single channel receiver, clothing clip, windshields, power supply, and AA batteries.
Key features of the SM31FH-TQG headset microphone include its comfortable and lightweight wire frame design, moisture-resistant fabrics, clear and detailed sound, cardioid polar pattern, flexible gooseneck for easy adjustments, windscreen for reducing wind and breath noise, and a permanently-charged condenser capsule.
The BLX1 bodypack transmitter offers a 14-hour run time and a 100-meter range with one pair of AA batteries. It has a quick and easy frequency matching feature, adjustable gain dial, on/off switch, power and battery status LED, clip-on design for easy attachment, and a rugged build for live performances.
The BLX4 single channel receiver has a user-friendly and intuitive design with a one-touch Quickscan feature for finding the best open frequency. It has an internal microprocessor-controlled antenna, two-color LED for monitoring signal level, compatibility with up to 12 other systems, and XLR and 1/4″ audio outputs.
Specifications for the SM31FH headset microphone include a TA4F (TGQ) connector, condenser type, frequency response of 45Hz – 20kHz, cardioid polar pattern, output impedance of 600 ohms, audio output level of -50 dBV/Pa, signal-to-noise ratio of 66dB, maximum SPL of 145.0 dB, dynamic range of 117 dB, equivalent output noise of 28 dB, power requirements of +5 V DC 10 V, maximum cable length of 1.1m, and a net weight of 60g.
Specifications for the BLX1 bodypack transmitter include a TA4F (TGQ) connector, operating range of up to 100m, AA battery power with a battery life of 14 hours, multi-color LED for battery status, molded ABS transmitter housings, gain adjustment range of 26 dB, 1/4 wave antenna, input impedance of 1 M ohm, weight of 75g, and dimensions of 110mm x 64mm x 21mm.
Specifications for the BLX4 single channel receiver include analog transmission, external power supply, single receiver type, compatibility with up to 12 other systems per frequency band, LED receiver displays, molded ABS receiver housings, quick scan feature, optional URT2 rack hardware, image rejection of 50 dB typical, RF sensitivity of -105 dBm for 12dB SINAD typical, weight of 241g, and dimensions of 40 x 188 x 103mm.
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