loudspeaker
loudspeaker is a sound transducer or electrical device.
Also recorded as speaker.
Overview
Electroacoustic transducer that converts an electrical audio signal into a corresponding sound.
In detail
It is recorded as the work of Dieter Rams.
It forms part of computer speaker and loudspeaker box.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Loudspeaker”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q570: loudspeaker
Consult the source