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.

AV Now offers wireless microphone accessories that are compatible with all major brands. This page shows all of the accessories we carry, starting with our most popular items. Our transmitter belts will hold nearly every model of transmitter between all popular brands. If you have a question about any of our items, including which windscreen fits your headset model, ask us in our live chat, send us a message or call us at 800-491-6874.
Use the Fitness Audio Replacement TA4F Cable with the Fitness Audio FM41 Fitness Headset Microphone and simply unscrew one cable and screw in the o...
View full detailsSamson Airline 88 Charger (no cable, transformer only) Part# 1-TG00410Includes one charger
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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