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.

We are here to help! We understand how essential it is for your instructors to have the right equipment to effectively lead their classes. That’s why we've handpicked the microphones and sound systems seen in this collection based on previous Crunch franchise orders. The items shown first are the most commonly sold products for Crunch Fitness franchises. We have also included products we recommend over the Shure BLX system we commonly see used at Crunch locations. Please reach out to us for any system recommendations or questions you may have.
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4.9 / 5.0
115 Reviews
We’ve changed the game, with the new, worlds-first MultiMic Fitness Headset Microphone! Basically, if the EMic plug fits, it will work! i.e Our ...
View full details4.92 / 5.0
13 Reviews
Headset only! This is to be used with a Samson AirLine 99m receiver, CR99 receiver, or a Samson CR88a portable speaker receiver (all sold separatel...
View full details4.83 / 5.0
6 Reviews
NO BELT PACK. FITNESS RATED DURABILITY. Transmitter and headset only. Built for fitness with a single SEALED on/off switch, coated circuit board, N...
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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.
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