Protection

Why do SNR ratings tend to be about 3 dB higher than NRR ratings? I.e., what difference(s) in the testing procedures account for this gap?
Is SNR the same as NRR?What is the highest SNR rating?What is the difference between NRR and dB?What does SNR rating mean?Is SNR the same as NRR?Summa...
Snr rating meaning
A Single Number Rating (SNR) is a specification used to determine protection levels given by all hearing protection and provides an easy reference to ...
Snr rating for shooting
A product with a 28 to 31 NRR is recommended for indoor shooting. There are two different kinds of hearing protection, ear plugs and ear muffs. The Na...