Monster ControlTalk Universal Manual And Warranty page 5

ENGLISH
"...a typical person can safely listen to an iPod for 4.6 hours per day at 70% volume."
"...knowing the levels one is listening to music at, and for how long is extremely important."
From http://www.cbc.ca/health/story/2006/10/19/music-earphones.html
Get the most out of your equipment and enjoy great audio performance even at safe levels. Our headphones will allow you to hear
more details at lower volume levels than ever before.
Physiology of the Ear and Hearing
Incus
Auditory Canal
Tympanic
Membrane
For additional information on what loud noises do to your ear and chart reference
http://www.abelard.org/hear/hear.php#loud-music
Malleus
Stapes
Cochlear Nerve
Cochlea
Vestibule
To Nose/Throat
5