Enhanced attenuation of medium and high frequencies.
2 positions: open and closed for enhanced progressive sound attenuation.
Available in 2 sizes (M-L). Suitable for sport shooting and hunting.
Enhanced noise attenuation on higher frequencies (the most harmful) and the shut-off valve offers 2 noise attenuation levels (high and very high):
-low protection in calm surroundings (4dB at 80dB noise).
-moderate attenuation for medium noise (24dB at 100dB).
-high attenuation for high noise (39dB at 120 dB).
Product details according to the manufacturer:
The Alvis Mk5 received the CE certification for PPE (Personal Protective Equipment). Noise attenuation values tested according to standard EN 352-2: 2002 of directive 89/686/ECC:
Alvis Mk5, advantages:
Enhanced attenuation of medium and high frequencies: + 6dB and +5dB noise attenuation in relation to the Mk3, or 4 times more protection.
Open position offers high hearing accuracy,
Shut-off valve offers 2 noise attenuation levels,
Effectively filters sounds without distorting them, human speech is easy to understand,
Quick and easy to put in, stays in place in your ear,
Ultra-comfortable, can be worn all day long.