Passive Ear Muff – SensGard ZEM Technology

University developed and patented technology protects against damaging noise while allowing speech and other important sounds to be heard. Enjoy noise cancelation without bulk, batteries or electronics. This is the perfect hearing protection for situations where damaging noise creates the need for hearing protection to be quickly available and easy to put on and take off. Hear conversation without having to remove your hearing protection. The SG-31 is ideal for use around intense noise including power tools, outdoor equipment and firearms. Maximum protection provided by this lightweight device. Hearing damage will occur over gradually over time, so always use hearing protection in noisy environments. This product is tested to ANSI S3.19-1974 and is CE and CA tested and approved. How it Works Acoustic foam cuffs seal at the outer ear canal and the lightweight chambers act as an extension of the ear canal. Sound energy reaches the cuff and is directed away from the ear into the chamber. High decibel sound waves are dampened, refracted and cancelled. The chambers are tuned to create an even reduction in sound across all frequencies. Communication and Safety Are Key Hear the useful sounds in your noise environment. Conversation is possible without the need to remove your hearing protection. Hear shouts and warning signals more easily. Feel more aware and safe in your noise environment. The SG-31 is recommended for maximum protection.

High level of protection against damaging noise
Hear important sounds at a safe level
Easy to put on and take off, drop around the neck when not in use always handy
Lightweight, compact design, folds to fit in shirt pocket
Adjustable headband
Does not interfere with other protective gear including safety glasses
Hygienic, nothing in the ear or trapping heat around the ear
Durable, low profile design
Made in the USA