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.

Portable sound systems, PA systems and battery-powered speakers add the audio and the convenience that you need for live performances, fitness rooms, conferences, speech, gatherings, special events and parties. Carry or roll these portable speakers out to the deck of the pool or move your portable sound system to different locations inside or outside of your gym or fitness facility.
Battery-powered PA systems and portable speakers offer many different options, including microphones, Bluetooth and music playback sources. A number of different features are key in keeping a sound system portable, such as weight, size, number of pieces, ease of setup and tear-down, availability of wheels, handles and battery-power functionality. AV Now Fitness Sound has options to fit every need and every budget.
Anchor Audio Liberty 3 Pair Hub + Connect Bundle delivers dual portable PA systems engineered for professional event applications. This comprehensi...
View full detailsReach the crowd. Rule the moment. The Anchor Audio Bigfoot 3 BIG3T is a high-powered, portable line-array PA system designed for crystal-clear soun...
View full detailsBigfoot 3 Link BIG3U2 Portable PA System with Bluetooth & AnchorLink Receiver Powerful. Portable. Built for Crowds. Whether you're leading a fi...
View full detailsAnchor Audio Bigfoot 3 Portable Line Array PA System with Bluetooth and AnchorLink Wireless Microphone Receiver (4-Microphone Capacity) Amplify You...
View full detailsAnchor Audio Bigfoot 3 Hub BIG3TU2 PA System – Portable Power for Fitness & Sports Events Reach your entire audience with the Anchor Audio Bigf...
View full detailsAnchor Audio Bigfoot 3 Hub Portable Sound System (SKU: BIG3TU4) The Bigfoot 3 Hub is a battery-operated PA system featuring Bluetooth connectivity...
View full detailsAnchor Audio Bigfoot 3 Link 4 Portable PA System With AnchorLink & 4 Microphones Powerful, Wireless, Portable Sound for Large CrowdsIdeal for o...
View full detailsThe Anchor Audio Bigfoot 3 Hub 1 Portable PA System is perfect for Fitness and Indoor / Outdoor Events! Key Features Ideal for Crowds of up to 90 ...
View full detailsAnchor Audio Bigfoot 3 Hub 2 Portable PA System with AnchorLink & 2 Microphones – Built for Crowds, Big Energy - Take control of your sound K...
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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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