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.

Anchor Audio Sound Systems are a great option for schools, worship facilities, fitness clubs, government, civic, sports, universities and franchise gyms. Shop Anchor Audio's best PA Sound Systems with AV Now.
Anchor Audio is proudly manufactured in America and has plenty of solutions for you to choose from, including speaker monitors, conference systems, portable sound systems, weatherproof units and more. 30-day demos are available on some products, click here for more information. Plus Free Shipping!*


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Need Help Choosing the Right Setup? Not sure which speaker size is right for your space, or how many microphones you need for your event? We’re here to help. Our audio specialists can guide you to the perfect setup based on your needs. Send us a message HERE or schedule a call HERE with a product expert.
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Experience crystal-clear sound that reaches up to 1000+ people with the Anchor Audio MegaVox (XU4) portable speaker. Its 119 dB of power, battery o...
View full detailsExperience crystal-clear sound that reaches up to 1000+ people with the Anchor Audio MegaVox (XU4) portable speaker. Its 119 dB of power, batt...
View full detailsEnsure your message is heard loud and clear with Anchor Audio's Go Getter (XU4,AIR) Portable PA System. Offering an unmatched 109 dB of sound outpu...
View full detailsThe powerful Anchor Audio MegaVox Pair is perfect for large groups up to 1,000+. This highly portable design features a convenient handle for easy ...
View full detailsThe Anchor Audio Go Getter Pair (XU2,RU2) and Anchor-Air Portable Speaker offer superior sound in a sophisticated, bookshelf-sized package. Conquer...
View full detailsExperience unparalleled sound with the Anchor Audio Go Getter (U4, COMP) PA System. This small, powerful system features 109 dB of sound output fro...
View full detailsPOWERFUL. SCALABLE. BUILT TO BE HEARD. Beacon 3 Portable PA System The Anchor Audio Beacon 3 Portable PA System is an advanced, battery-powere...
View full detailsPOWERFUL. SCALABLE. BUILT TO BE HEARD. Beacon 3 Portable PA System - Pro The Anchor Audio Beacon 3 Portable PA Pro System is an advanced, batt...
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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.
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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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