Steren SPK-1100BL Manual Del Usuario página 3

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Listening to audio devices at a very high volume level may cause
damage. It is not recommended to listen to high volume level audio for
an extended period pf time.
The following sound level list is for your protection:
Decibel Level (dB)
30
40
50
60
70
80
The following noise levels may be dangerous under continued exposure
Decibel Level (dB)
90
100
120
140
180
Example
Calm library, whispers
Waiting room, refrigerator, bedroom
Light traffic, normal conversation, calm office
Air conditioner at 6 meters, sewing machine
Vacum cleaner, hair dryer, loud restaurant
Heavy traffic, alarm clock at 60 meters
Example
Subway, motorcycle, lawnmower
Garbage truck
Rock Concert in front of the speakers
Fire alarm, airplane
Fireworks
ENGLISH-03