- Optime II has been developed for demanding noise-hazard environments and muffles even extremely low frequencies to a maximum degree.
- The sealing rings are filled with a unique combination of liquid and foam. The result is an optimum seal with low contact pressure, which provides snug comfort even during long-time use.
- The sealing rings have ventilation channels and are covered with soft, patterned, hygienic foil.
- Optime II is a suitable choice for environments with substantial industrial noise or construction machinery, airports and agricultural work.
- SNR = 31 dB, H = 34 dB, M = 29 dB, L = 20 dB
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