There are a lot of noisy noises in our daily life, and the presence of noise will affect our physical and mental health. At this time, we need a noise-reducing hearing protection product to help us obtain a comfortable and quiet environment.
Among hearing protection products, the most closely related to life are earplugs. In the eyes of workers and light sleepers, noise-reducing earplugs are indispensable; in the eyes of swimmers, waterproof earplugs are indispensable. But there are many categories of earplugs.
How to choose earplugs?
1. Choose according to the intensity of the noise: if the noise is strong, choose earplugs with a higher SNR value; if the noise is weak, choose SNR Lower value earplugs.
2. Choose according to your own needs: workers or light sleepers can choose noise-reducing earplugs with a higher SNR value; swimming enthusiasts can choose waterproof silicone earplugs.
3. Choose according to wearing comfort: Generally speaking, memory foam earplugs are more comfortable to wear than silicone earplugs, and have better noise reduction effect. The only drawback is that memory foam earplugs cannot get wet and need to be replaced regularly.
What should you consider when purchasing noise-cancelling earplugs?
1. Noise reduction value of earplugs. That is the NRR value or SNR value. NRR is a single-value noise reduction value tested in accordance with American standards, and SNR is a single-value noise reduction value tested in accordance with international standards. The higher the noise reduction value, the better the anti-noise effect.
2. Earplug shape and softness. Professional anti-noise earplugs are not only shaped to fit the ears, but also soft enough to have a good noise reduction effect.
3. Earplug durability. Generally speaking, labor protection earplugs are disposable, while professional sleep earplugs can be reused, but considering hygiene, it is recommended to replace them regularly.
4. Slow rebound speed. The slow rebound speed determines whether the earplugs are easy to put into the ears, especially for those who are using noise-proof earplugs for the first time.
Will you wear small earplugs correctly?
Xiaohui asked several friends to try on 3M 1110 noise reduction earplugs, and finally found the following three problems :
1. Put it directly into the ear without rubbing it, and it will not fit in.
2. After rubbing it into the ear, half of it is exposed, and the noise reduction effect is poor
3. No loudness test was done after wearing it, and there was no difference in the ambient sound inside and outside