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!*


Need a specific Anchor Audio collection? Select yours here. Bigfoot 3 Collection - Liberty 3 Collection - Go Getter Collection - Megavox Collection - Beacon Sound Systems - Anchor Audio Accessories
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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Anchor Audio's MegaVox 2 Portable Speaker Public Address System is an ideal portable PA system for all of your outdoor voice amplification needs. I...
View full detailsEnjoy superior quality sound with the Anchor Audio Go Getter (U2) PA System, a bookshelf-sized marvel that offers 109 dB of powerful output from it...
View full detailsExperience power and clarity like never before with the Anchor Audio MegaVox (U2) Portable Speaker, featuring a whopping 119dB of clear sound level...
View full detailsExperience powerful sound for up to 25 people with the Anchor Audio Go Getter (XU2) PA System. This sophisticated marvel is equipped with an 80-wat...
View full detailsThe Anchor Audio MegaVox provides powerful, crystal-clear sound for events of greater magnitude. With its convenient, portable design, featuring a ...
View full detailsEnjoy superior quality sound with the Anchor Audio Go Getter (XU2) PA System, a bookshelf-sized marvel that offers 109 dB of powerful output from i...
View full detailsThe Anchor Audio MegaVox (U2) is the perfect portable solution for fitness and sporting events. With 119 dB of powerful sound and up to 1000-foot r...
View full detailsEnjoy superior quality sound with the Anchor Audio Go Getter (XU2) PA System, a bookshelf-sized marvel that offers 109 dB of powerful output from i...
View full detailsDeliver exceptional audio performance with the Anchor Audio Go Getter PA System. Enjoy 109 dB of sound output from an 80-watt amplifier/mixer, prov...
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, battery o...
View full detailsThe Anchor Audio MegaVox Pair (U2, COMP) Portable Speaker is a must-have for anyone organizing events for large crowds. With its powerful 119 dB of...
View full detailsExperience a powerful audio experience with the Anchor Audio MegaVox Pair (XU2, AIR), Anchor-Air with 1 Microphone of your choice. Perfect for larg...
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 detailsThe Anchor Audio Go Getter Pair (XU2,AIR), Anchor-Air Portable Speaker with 1 Wireless Microphone delivers dynamic sound with an 80-watt amplifier/...
View full detailsExperience unparalleled sound with the Anchor Audio Go Getter PA System. This small, powerful system features 109 dB of sound output from an 80-wat...
View full detailsThe powerful Anchor Audio MegaVox Pair (U2, COMP) is perfect for large groups up to 1,000+. This highly portable design features a convenient handl...
View full detailsThe powerful Anchor Audio MegaVox Pair (U4, COMP) is perfect for large groups up to 1,000+. This highly portable design features a convenient handl...
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 detailsElevate your audio at sports events and fitness instruction with the Anchor Audio Go-Getter PA System. Featuring a powerful 80-watt amp and 109 dB ...
View full detailsAchieve unparalleled sound quality with Anchor Audio's Go Getter (U2, COMP) PA System. This powerful, compact bookshelf-sized solution features an ...
View full detailsExperience unparalleled sound with the Anchor Audio Go Getter (XU2,AIR) PA Portable Speaker System. This small, powerful system features 109 dB of ...
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 detailsAnchor Audio Liberty 3 Base Package with One Wired Microphone SKU: 710100 Powerful, Portable, and Versatile The Liberty 3 Base Package is a com...
View full detailsLiberty 3 Pro Portable PA System Package (SKU: 720100) The Liberty 3 Pro is the ultimate all-in-one portable sound system—often called the Swiss A...
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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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