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I have seen other companies advertise "flat att...

We are not the first "flat attenuation" earplug.  We have the first "flat frequency response" earplug as measured using the data attained by the Virginia Tech Auditory Systems Laboratory.  Here...

Can you try to explain why "flat response" soun...

When you research "flat attenuators" you will see that they are only flat in a small range in the middle frequencies. Carefully observe the far reaches of the bandwidth, and...