JSP Sonis® Compact SNR 31 Helmet Mounted Ear Defenders - Grey/Orange

Key Features

• New side arms enable set and forget height adjustment for the perfect fit, the arms rotate independently 15° in each direction, maintaining a consistent seal around the ear
• The JSP R&D team fine tune each component, using specialist design and test equipment to refine performance
• Sonis cushions are made with frequency-optimised foam covered in a soft TPU skin, by rotating as the wearer moves, the side arms ensure even cushion pressure to enhance comfort
• Non-conductive design with no exposed metal parts for safety in applications with electrical hazards, the mechanism’s steel spring is fully isolated to reduce conductivity risks
• The ear defenders are easy to wipe clean, hygiene kits are available for each model allowing cushions and foam inserts to be replaced
• Sonis® Mounted ear defenders are tested and certified with JSP helmets and EVOGuard® browguards, ensuring the correct level of hearing protection with each model
• The side arms are designed to fit with a range of visor systems for combined protection

Conformity

• EN 352-3
• SNR 31 - 107-112 dB
• Medium Attenuation: H = 37, M = 29, L = 19

Product Description

The JSP R&D team worked with a leading acoustics research facility to develop Sonis® Mounted ear defenders. The new electrically insulated side arms enable ‘set and forget’ height adjustment with a rotation feature designed to balance cushion pressure and enhance comfort.