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.
IMPORTANT: All of the systems featured in this category include some type of rechargeable battery. However, each system has different capabilities regarding which pieces are rechargeable (transmitter and/or receiver), and if the battery is built-in or removable. Some systems are designed to save you money by using rechargeable batteries. Other systems are designed to allow you the freedom of using the system where no power outlet is available.
Keep in mind that if you are needing a system that is 100% battery-powered, where access to a power outlet is not an option, that you will need a system which features a rechargeable transmitter and receiver (ex. EVO-E or AirLine Micro). Be sure to read the product information to determine which system best fits your needs. If you have any questions about the different capabilities of each system, feel free to use our chat or call us at 800-491-6874. M - F, 8 AM - 4 PM Pacific or fill out this form.
Rack-mountable Samson AirLine 99 Wireless Fitness Headset System with Qe Fitness Microphone (AH9-Qe/CR99) Built For FitnessThe Samson Airline 99 is...
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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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