Mine have that feature, as well, but the vent hole through the ear plugs negate the efficiency of that feature quite a bit. Are you able to use yours for hearing protection while shooting, Mike?can't help you as my aids have a compression circuit that shuts off loud noises.
Cannot use them in Kanuckistan.Suppressors
Now that is handy!!Walker Rope earbuds have a higher dB rating (29) than most e-muffs(24). I have the bluetooth version also, but I like the original better.
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