loudspeaker [loudspeakers](transducer) noun [UK: laʊd.ˈspiːkə(r)] [US: ˈlaʊd.ˌspikər]There will be many loudspeakers at the parade. = Habrá muchos altoparlantes en la parada.
speaker [speakers](loudspeaker, see also: loudspeaker) noun [UK: ˈspiːkə(r)] [US: ˈspiːkər]