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Directional pinpointing at an affordable price.
NRR, or Noise Reduction Rating, is a system set by the Environmental Protection Agency (EPA) as a guide to indicate the amount of potential protection a hearing protection device will give in noisy environments. Products are tested under the Real Ear Method as directed by the American National Standard Institute (ANSI) in accordance with test procedures established by the Acoustical Society of America. Testing is performed in a controlled environment. Posted NRR ratings are qualified examples of how individual products compare with other similar hearing protection products in uncontrolled noise environments. The higher the number, the greater the noise protection.
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