The Sonis® 1 helmet-mounted ear defenders are designed to provide effective hearing protection while maintaining comfort and compatibility with head protection systems. With a 26dB SNR rating, they are ideal for environments with moderate industrial noise such as workshops, printing facilities, and landscaping applications.Designed to integrate seamlessly with JSP EVO® helmets, the ear defenders attach easily using universal helmet slots, allowing for a secure and stable fit alongside other PPE such as visors.Adjustable steel arms enable the user to tilt and position the ear cups for optimal comfort and even pressure distribution, helping maintain a consistent seal during extended wear.The cushioned ear cups are designed for both comfort and performance, while replaceable sealing rings and hygiene kits help extend product life and maintain cleanliness in regular use.Fully compliant with EN 352-3 standards, the Sonis® 1 offers dependable hearing protection in a practical, helmet-mounted design suited to a wide range of industrial and outdoor applications.