Most earplugs come with a noise-reduction rating (NRR) or single-noise rating (SNR), which measures how effectively they reduce noise. In the United States, earplugs are typically rated with the NRR.
Remember that real-world protection is typically about half of the rated NRR value, so for extremely loud environments like shooting ranges or racing events, consider using both earplugs and over ...
You need durable and comfortable ear muffs and plugs when you face environmental noises that hurt your hearing. People in ...