Shure SM31 vs PGA31: Which Microphone Is Best for Fitness Instructors?
Compare Shure SM31 vs PGA31 wireless headset mics for fitness instructors. Learn which microphone works best for indoor cycle, HIIT, yoga, and group fitness classes.

Portable sound systems, PA systems and battery-powered speakers add the audio and the convenience that you need for live performances, fitness rooms, conferences, speech, gatherings, special events and parties. Carry or roll these portable speakers out to the deck of the pool or move your portable sound system to different locations inside or outside of your gym or fitness facility.
Battery-powered PA systems and portable speakers offer many different options, including microphones, Bluetooth and music playback sources. A number of different features are key in keeping a sound system portable, such as weight, size, number of pieces, ease of setup and tear-down, availability of wheels, handles and battery-power functionality. AV Now Fitness Sound has options to fit every need and every budget.
This outstanding custom AV Now bundle features one of our newest portable speakers, the Gemini GPSS-650 Portable PA Speaker with Bluetooth and the ...
View full detailsBe blown away by the portable convenience and powerful audio of the Galaxy Audio Traveler TV10! With Bluetooth technology, a telescopic handle, and...
View full detailsThe Galaxy Audio TV10 with Bluetooth Player (TV10) is an AC/battery operated, wireless portable PA speaker system. The Traveler is designed for peo...
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Compare Shure SM31 vs PGA31 wireless headset mics for fitness instructors. Learn which microphone works best for indoor cycle, HIIT, yoga, and group fitness classes.
Acoustic treatment helps gyms and fitness studios reduce echo, improve instructor clarity, and create a better member experience. Learn how wall panels, ceiling clouds, and corner treatments solve sound bounce issues when moving into a new space or upgrading an existing facility.
Visit Us at The HFA Show 2026 | San Diego
We’re excited to invite you to The HFA Show 2026, taking place March 16–18 in beautiful San Diego, California. Join us at Booth 610 to connect with our team and explore how our innovative AV solutions are designed to elevate health and fitness environments.
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