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.
4.96 / 5.0
48 Reviews
Protect your wireless headset microphone from spit, sweat and the elements, while ensuring that it sounds its best with this 5 pack of Black Oval W...
View full details4.76 / 5.0
21 Reviews
Safeguard your Samson headset and/or Fitness Audio E-mic with oval fitness headset microphone windscreens, sold in a 5-pack with 5 different colors...
View full details4.83 / 5.0
23 Reviews
Fitness Audio Sweat Barrier for Fitness Headset MicrophonesNot just for Hot/Bikram Yoga, these are perfect when you are teaching any class with the...
View full details5.0 / 5.0
5 Reviews
Exact replacement for E-mic fitness headset microphone adjustment band. The solution for the broken headbands on E-mic. Don’t waste a perfectly goo...
View full details5.0 / 5.0
2 Reviews
The Samson Airline 77 and Airline 99 Adjustment Band delivers a secure, customizable fit for extended wear during group fitness classes, personal t...
View full details5.0 / 5.0
12 Reviews
Protect your wireless headset microphone with this 3-pack of high-quality beige oval micro windscreens. Designed to shield your Samson Airline Micr...
View full details5.0 / 5.0
1 Review
5-pack (two black, three beige) of windscreens for the Samson AH8 headset. 5-pack of windscreens made specifically to fit Samson's popular Airline ...
View full details5.0 / 5.0
2 Reviews
Samson Airline 77 battery cover. Original replacement part. Battery cover for the Samson Airline AH1 and AH7 transmitter for the Samson Airline 77 ...
View full detailsProtect your wireless headset microphone from spit, sweat, and the elements, while ensuring that it sounds its best with this Transmitter Sweat Pro...
View full details5.0 / 5.0
2 Reviews
Samson's original manufacturer's part - rubber adjustment replacement headset strap with clips for Samson AH8. Help your headset stay in place duri...
View full details
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.
{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}