The following noise levels may be dangerous under continued exposure:
Decibel level
(dB)
90
100
120
140
180
HIGHLIGHTS
2.1 CH.
These multimedia audio system includes a 1000 Wpmpo power amplifier.
Stereo sound.
Easy to install.
Modern and elegant design.
Manufactured in high-resistance plastic.
Volume, treble and bass controls.
Subway, motorcycle, lawnmower.
Garbage truck.
Rock concert in front of the speakers.
Fire alarm, airplane.
Fireworks.
Example
7