The Shure BLX14SM31 M17 is a headset microphone system designed specifically for use by fitness instructors and in high humidity environments. The system comprises of a single channel receiver operating on the M17 (662 – 686MHz) frequency band, body pack transmitter, and a high quality Shure SM31 water-resistant headset microphone. Like the rest of the BLX wireless family, this system feature internal microphone antennae and a handy quick scan frequency for fast and easy set-up.

The BLX14SM31 system provides up to 14 hour run time from 2 AA batteries (body pack), can support up to 12 compatible systems (channels) per frequency band, making it ideal for use with smaller scale productions and with other wireless systems. Perfect for anyone needing a lightweight great sounding system for their fitness class, or performance.

FEATURES:
Great Audio Response
Transmission Band M17
Includes receiver and water resistant headset
Up to 14 hours battery life (body pack)
Trusted world wide by industry professionals
Great for speeches, performers, and presenters
Ability to run up to 12 compatible systems per frequency band
Durable Construction
Up to 100m (LOS) operating Range

SPECIFICATIONS:
Product Type:   Wireless Headset Microphone
Product Type:  662-686MHz (M17)
Frequency Response:  60Hz – 12kHz
Batteries:  2 x AA Alkaline (each microphone)
Battery Life:  Up to 14Hrs (battery dependent)
Power Supply (receiver):  12–15 V DC @ 320 mA