Product Features

• Unbeaten 37dB SNR
• High attenuation: H = 37, M = 35, L = 27
• Comfortable over-moulded headband with ventilation
• Adjustable steel arms for optimal fit
• Replaceable sealing rings for improved hygiene
• Hygiene kits available for extended use
• Customizable ear cups for corporate identity
• Reflective headband and high-visibility options for low-light conditions
• Manufactured from TPE for easy cleaning

Product Description

The Sonis 3 Adjustable Ear Defenders deliver industry-leading noise reduction with a peak SNR of 37dB. Developed by JSPs R&D team in collaboration with a leading UK acoustic engineering research facility, these ear defenders are designed for extreme noise environments like heavy industrial work, quarrying, and aircraft operations. Featuring an ergonomic design with adjustable steel arms and an over-moulded ventilated headband, they provide exceptional comfort and protection for extended periods of use.

Product Specifications

Features & Benefits

• Designed by JSP R&D team with advanced acoustic engineering
• Comfort-focused headband with optimal pressure distribution
• Customizable cups for branding and corporate identity
• Replaceable hygiene kits for long-term use
• Reflective and high-visibility options for enhanced safety

Applications

The Sonis 3 Adjustable Ear Defenders are ideal for:

• Extreme industrial noise
• Aircraft operations
• Quarrying
• Paper mills
• Heavy engineering

Sonis Attenuation Data