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3
Important – Hearing Safety Levels Info
READ THIS BEFORE USING YOUR SANSA PLAYER
Congratulations on the purchase of your Sansa
media player!
Your media player is equipped with a variety of features. To help you maximize your
listening pleasure, SanDisk would like to advise you that it is important to use your
headphones with your media player at a safe hearing level.
Exposure or repeated exposure for an extended period of time to music and other sounds
that are too loud can cause damage to your hearing resulting in temporary or even
permanent “noise-induced hearing loss”.
Symptoms of hearing loss increase gradually with prolonged exposure at high levels of
volume. Initially, you may not even be aware of the loss unless detected with a hearing test.
Hearing levels
To help you understand what may be considered a safe hearing level, the following examples
are included for your reference.
Examples of Typical Approximate Sound Level:
Sound Level (dB)
Refrigerator humming 40
Normal conversation 60
City traffic 80
Motorcycles and lawnmowers 90 #
Rock concerts 110-120 #
Firearms 120-140 #
* A decibel (dB) is a unit of relative measurement of the strength of sound wave. In decibels
(dB), a measured signal level doubles with every additional 3 dB.
# These sound decibel levels are considered harmful with extended exposure.
Information courtesy of the National Institute of Deafness & Other Communication Disorders
(NIDCD) http://www.nidcd.nih.gov/health/hearing/noise.asp
.
For your safety!
Your hearing may adapt to higher volumes of sound. In order to prevent any harmful impact
to your hearing, you must control the sound emanating from your headphones and set the
media player volume to a low setting where you can hear it clearly and comfortably.
Studies, including one from NIDCD indicate that sounds of less than 80 decibels, even after
long exposure, are unlikely to cause a hearing loss. Listen to your media player at such a
level that you can still hear conversation and other people in your environment without
shouting when you attempt to converse.