HEADPHONES/EARPHONES AND PERMANENT HEARING LOSS
If misused, all varieties of amplification systems that come in the many shapes and sizes of headphones and earphones, are potentially dangerous and can cause permanent hearing loss. If you can hear the sound emanating from the headphones or earphones of the person standing next to you, the noise is too loud, and over time can lead to a permanent hearing loss in that individual.
individual exposed to sounds greater than 90 dB for an average of
eight hours per day without protection, hearing loss will result. As
the volume increases, the safe time of exposure decreases. Most
portable stereo music systems producesound
in the range of 95-108 dB at level four
With earbuds, a good rule is 60% of the volumeno more than 60 minutes per day
Wearing noise-canceling headphones reduces outside noise, which
allows us to decrease the volume of the sound coming from the device.