Model # SGHP1-31

Internet #204601130

SensGard ZEM Technology Noise Canceling Max Hearing Protection


ZEM Technology Noise Canceling Max Hearing Protection

$3564 /each
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Product Overview

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



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Color Family
Over the head
Folding design
Hearing Protection Product Type
Passive Ear Muffs
Noise reduction rating (dB)
Number of Ear Muffs
Product Weight (lb.)
Replaceable pads
Safety Apparel Product Type
Hearing Protection
Safety Features

Warranty / Certifications

Certifications and Listings
ANSI Certified,EPA Approved
Manufacturer Warranty
Guaranteed against manufacturers defect for 60 days from date of purchase.

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Customer Questions & Answers

Do they come with rubber instead of foam

Asked by: Jay
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Customer Reviews

ZEM Technology Noise Canceling Max Hearing Protection is rated 3.4 out of 5 by 8.
Rated 1 out of 5 by from It claimed to work better than ear muffs but after... It claimed to work better than ear muffs but after an uncomfortable week of wearing them my ears were ringing badly. definitely does not live up to the claims
Date published: 2017-02-28
Rated 4 out of 5 by from works good works good
Date published: 2017-05-02
Rated 4 out of 5 by from Noise suppression is excellent with the Sensgard hearing protectors as long as they are installed... Noise suppression is excellent with the Sensgard hearing protectors as long as they are installed correctly. The ones I bought claim 31 decibel noise reduction. Installation is not difficult but to get proper results , must be done per instructions. The first few times I used them I had difficulty in getting them installed correctly. They cannot simply be sprung onto the ears. The headband appears to be very flimsy and I take care to handle the product to avoid twisting and bending it. I would have rated the item five stars but feel that this weak spot deserves less. There are replaceable foam rubber collars that contact the ear canals. The fit to the ear canals feels very firm initially but becomes less noticeable and I have worn them for 30 minutes without discomfort.. I bought the product less than a month ago but use it daily and am very happy with it, however I cannot wear my brimmed hat at the same time. Overall, a fine product albeit somewhat pricey.
Date published: 2016-12-13
Rated 4 out of 5 by from Blocks noise This product works well for noise reduction. I don't feel that I could hear normal conversation any better than I can with regular ear plugs.
Date published: 2016-08-09
Rated 3 out of 5 by from So-so ok These are very well made and did a great job at reducing noise. However, I could not get them to stay on top of my head. They kept sliding backwards or forwards until they were resting on the back of my neck or hanging under my chin. Very distracting when you're trying to shoot competitively.
Date published: 2015-06-10
Rated 4 out of 5 by from Excellent to use for loud concerts! volume. I could hear all of the tones of the music but at a volume that won't make me lose more hearing. Other earplugs that I tried were rated at lower decibels but muffled the high and mid range tones so much I didn't enjoy the music. These were great. Also used them with my vacuum cleaner and hedge clippers. With activity like that, I had trouble keeping the band on top of my head. However, I moved it under my chin and was able to use them that way.
Date published: 2014-05-20
Rated 4 out of 5 by from light weight, decent noise suppression These are light weight and do allow more normal conversation than ear plugs or muffs. Noise suppression was good. After an hour or so, they started to make my ears sore. I plan to use them on a regular basis.
Date published: 2014-01-25
Rated 3 out of 5 by from Would be great if I has bigger ear holes The product does do a decent job on reducing noise but they just do not fit in my ears as nicely as I would like. They are still better then nothing and not as hot as over the ear muff
Date published: 2013-12-17
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