3 ms·
Any comments on Peltor X4A? They are much thinner, but only reduce 27dB. Strangely in Europe they claim 33dB.
by blub 11y ago
Any comments on Peltor X4A? They are much thinner, but only reduce 27dB. Strangely in Europe they claim 33dB.
- JonnieCache 11y ago>Strangely in Europe they claim 33dB. The standards of measurement are likely different. Measuring "volume" (sound pressure level) is a very tricky business.