ENGLISH
ENGLISH-03
The following sound level list is for your protection:
The following noise levels may be dangerous under continued exposure
FEATURES
Easy to install
Built-in amplifi er which offer high sound quality
Low distortion
Modern and elegant design
Batteries or AC power adapter are not required
Plug & Play
Manufactured in high-resistance plastic
USB port
50 Wpmpo power output
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Level
Example
30
Quiet library, soft whispers
40
Living room, refrigerator, bedroom away from traffic
50
Light traffic, normal conversation
60
Air conditioner at 20ft, sewing machine
70
Vacuum cleaner, hair dryer, noisy restaurant
80
Average city traffic, garbage disposals, alarm clock at 2ft
Level
Example
90
Subway, motorcycle, truck traffic, lawn mower
100
Garbage truck, chainsaw, pneumatics drill
120
Rock band concert in front of speakers
140
Gunshot blast, jet plane
180
Rocket launching pad
