Blog for EarplugStation — NRR

NRR   If sound levels aren't avoidable, earplugs are the solution. The next step is to find the right earplugs based on the noise level you are trying to block out. A Noise Reduction Rating (NRR) refers to the measurement of noise in decibels. The system is designed to determine what type of noise protection is required in the workplace for occupations that require working around some level of noise.   What Does an NRR Number Mean? The higher the NRR number, the greater the noise reduction. This number is subtracting from the actual decibel level to determine the amount...