In Japan, are vehicles equipped with a
public address system
A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound sou ...
. They have been used notably in political and commercial contexts, and have one or more
loudspeaker
A loudspeaker (commonly referred to as a speaker or, more fully, a speaker system) is a combination of one or more speaker drivers, an enclosure, and electrical connections (possibly including a crossover network). The speaker driver is an ...
s which can play a recorded message or recorded music as the truck tours through neighborhoods. In the political world, they are used by parties, candidates, and groups to express their views. In the early days of Japanese post-war democracy, they were one of the most common means of conducting
political campaigns
A political campaign is an organized effort which seeks to influence the decision making progress within a specific group. In democracies, political campaigns often refer to electoral campaigns, by which representatives are chosen or referen ...
, alongside the likes of
radio announcements and sponsored meetings.
In a commercial context,
vendors also use sound trucks for the purpose of selling goods, collecting
recyclable materials, and other purposes.
The use of these sound trucks can be subject to so-called "nuisance laws".
References
Politics of Japan
Advertising in Japan
Trucks of Japan
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