JSP Sonis®

Sonis® C Compact Helmet Mounted Ear Defenders – 31dB SNR for Medium-Noise Protection
The Sonis® C helmet-mounted ear defenders are a compact, low-profile solution delivering 31dB SNR protection in medium-noise environments. Designed for compatibility with JSP safety helmets, this orange-coded model offers excellent performance in sectors such as construction, agriculture, engineering, and roadside maintenance.
Compact Design, Maximum PerformanceWith a medium attenuation rating of 31dB, the Sonis® C is ideal for environments generating 106–111dB of noise. Its space-saving profile ensures ease of movement without compromising safety. Developed in partnership with a UK acoustic research facility, it’s part of JSP’s trusted high-performance hearing protection range.
All-Day Comfort Built InThe precision-engineered cushion surface area and helmet adaptor force strike the right balance between secure fit and comfort. Fully adjustable stainless steel arms allow users to customise the cup position for optimal pressure distribution and wearability.
Tailored for Your TeamSonis® ear defender cups can be customised with corporate colours and company branding (MOQ applies), helping to reinforce identity on site and deter equipment loss or theft.
Easy to Maintain, Built to LastReplaceable sealing rings and optional hygiene kits make upkeep simple—ideal for shared PPE in fast-paced industrial environments.
Helmet and Visor System ReadyCompatible with JSP helmet slots and the Surefit™ visor system, the Sonis® C integrates easily into complete head and face protection setups.
Recommended Applications:

Roadworks and traffic control
Forestry operations
Construction and site work
Agricultural machinery use
General and mechanical engineering

Orange-coded for clear identification on site, the Sonis® C offers reliable mid-level noise reduction in a streamlined, user-friendly design.