1/3
ALVIS

MK4 ALVIS PASSIVE NOISE CAP

54.90
Pay in 3 instalments with Payment in 3 instalments is possible from a basket value of CHF 50 and requires the approval of our partner CembraPay. You will be able to choose this method of payment, and consult the terms and conditions and applicable fees when finalizing your order.
Ref. : 8392180

Designed to protect the shooter's and hunter's hearing

Filter with 2 levels of attenuation (high or very high) thanks to the closing flap.

  • M In stock
  • L In stock

PRODUCT BENEFITS

Sound efficiency

Attenuation: Filtered Mode (SNR=19dB) and Occlusive Mode (SNR=27 dB).

Modularity

2 positions: open and closed for enhanced progressive use.

Versatility

Available in 2 sizes (M-L). Suitable for sport shooting and hunting.

TECHNICAL INFORMATION

Noise attenuation

Reinforced attenuation on high frequencies (the most risky) and 2 levels of attenuation (high or very high) thanks to the closing flap:
- low protection in quiet (4dB to 80dB of noise).
- moderate attenuation in medium noise (24dB to 100dB).
- high attenuation in high noise (39dB to 120 dB).

Product details by manufacturer

MK 4 plugs comply with CE standards for PPE in accordance with directive EN 352-2 - 2002.
Attenuation values tested in accordance with standard EN 352-2 : 2002 of directive 89/686/ECC (These values give the attenuation level at a constant incoming noise level):
ALVIS Mk4 closed SNR : 27 H : 28 M : 24 L : 24.
ALVIS Mk4 Open SNR : 19 H : 22 M : 16 L : 11**.

2 positions

Open: the progressive filter attenuates noise according to its level. Faithful, natural hearing in quiet, protected in noise.
Closed: an occlusive, waterproof plug.

Size

Available in two sizes, M and L.

Warranty

1 year

COMPOSITIONS / ADVICE

Composition

Main part 100% Silicone

USER REVIEWS