I noticed that with the 20s, I didn't get any wind noise whatsoever when paired to my wife's 20s- I'm using boom mics on half helmets. We received a set of 20s Evo and the wind noise was unbearable with no way to correct it via the onboard configuration or the app. I realized that there is a difference in design of the microphones used in the 20s and the 20s Evo. I installed the 20s boom mic on the 20s Evo and voila... no wind noise. Why was the design changed? The 20s mic seems to have a buffer or is closed to the outside and the 20s Evo mic is wide open, so you constantly hear the wind when out on a ride.
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