I'm a car mechanic.
The use environment is quite rough.
Sometimes, it's poured into the cooling water. Dust is the basic
I sometimes drop it there.
Still, there is no problem. However, when the volume knob is exposed to dust, it feels rough, but you can shake off the dust.
The sound is also good. [If you think about the size, it's considerable]
The biggest advantage of this speaker is its design.
A simple, tool-like design that emphasizes functions to the point where it reminds you of mil...