JSP Sonis 1 Helmet-Mounted Ear Defenders - 26dB SNR

The Sonis®1 Mounted Ear Defenders provide reliable hearing protection with an SNR of 27dB, designed for use with compatible safety helmets. Featuring electrically insulated side arms and a multi-directional fit, they provide comfortable, secure protection for demanding work environments.

Key Features:

• Helmet-mounted ear defenders with SNR 27dB.

• Low attenuation: H = 31dB, M = 24dB, L = 17dB.

• Electrically insulated polymer side arms with no exposed metal parts.

• Side arms rotate independently by 15° in each direction for a secure seal.

• Set-and-forget height adjustment.

• Frequency-optimised foam cushions covered with a soft TPU skin.

• Even cushion pressure for enhanced comfort.

• Easy-to-clean design.

• Certified compatibility with JSP safety helmets and EVOGuard® browguards.

• Suitable for use with compatible visor systems.

Complies with Standards:

• EN 352-3:2020 – SNR 27dB, H = 31dB, M = 24dB, L = 17dB