Before using your new Subwoofer, please read this
instruction manual to prevent any damage. Put it away in a
safe place for future references.
IMPORTANT
Clean only with a soft, dry cloth.
Do not try to open the equipment, may cause malfunction
Warranty is void if you open the case
Do not use or store the equipment near wet places. May
cause malfunction.
Used wisely, your new sound equipment will provide a lifetime
of fun and enjoyment. Since hearing damage from loud noise is
often undetectable until it is too late.
Steren recommend you avoid prolonged exposure to excessive
noise. This list of sound levels is included for your protection.
The following noises can be dangerous under constant
exposure:
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ENGLISH-2
Level (Decibels)
Example
30
Quiet library, soft whispers
40
Living room, refrigerator, bedroom
50
Light traffic, normal conversation, quiet office
60
Air conditioner at 20ft, sewing machine
70
Vacuum cleaner, hair dryer, noisy restaurant
80
Average city traffic, alarm clock at two feet
90
Subway, motorcycle, lawn mower
100
Pneumatic drill, garbage truck
120
Rock band concert in front of speakers, thunderclap
140
Gunshot blast, jet plane
180
Rocket launching pad
