Elvex GelPods are designed to fit into the outer ear and to be held in place by the force of the headband, Unlike a regular earplug the GelPods are not seated in the ear canal. This construction offers a comfort advantage to some users, who do not like the feeling of having anything inserted into the ear canal. Elvex GelPods offer a Noise Reduction Rating of 18 dB. However what is interesting is that the attenuation curve is quite flat, meaning that there is not a large difference in attenuation between the low and the high frequencies.
When ear plugs are mounted on a headband, they are sometimes called banded earplugs, banded canal caps, ear pods or ear caps. Banded ear canal caps or pods are sometimes preferred over both ear plugs and ear muffs. In situations where earplugs have to be removed frequently, a canal cap can provide greater convenience. Ear muffs may feel to hot to wear in some environments and earplugs can be hassle to insert/remove and store.

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