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SONIS® HELMET KM 662534
BS EN 352-3
MOUNTED EAR DEFENDERS

The Sonis® range has been stylishly designed with a traffic light
colour code for easy identification. Materials have been chosen
for both performance and comfort over extended periods
of use, with careful design ensuring a small number of key
components for easy maintenance.

STANDARD EN352-3

Sonis®1 26 dB

MATERIALS SNR Sonis®C 31 dB

Sonis®3 36 dB Sonis® helmet mounted
ear defenders are tested
Cups / plate ABS in combination with JSP
helmets and the EVOGuard®
Pivot arm Acetal browguard, ensuring the
correct level of hearing
Sealing ring PET-G plate, TPU skin, protection with each model,
Foamed polymer for certified compatibility.

Inner foam Polyurethane foam

Anechoic chamber testing

PERFORMANCE COMFORT CUSTOMISATION
Designed by the JSP R&D team and The force applied by the helmet adaptor Sonis® cups can be coloured to meet a

developed with a leading UK acoustic and the cushion surface area work corporate identity and printed with a company

engineering research facility, the Sonis® together to provide optimal pressure logo, improving brand recognition and helping

helmet mounted range peaks at an and comfort. to prevent theft. MOQs apply.

unbeaten 36 SNR.
87 www.vestiprotege.pt