D defs.my
Entry 1 sense Webster, 1913

loudspeaker

· loud·speak·er · IPA /ˈlaʊdspiːkɚ/
01 n. A device which converts electrical signals into sounds loud enough to be heard at a distance, usually outdoors; it is used to amplify or tr…
  1. 1.
    A device which converts electrical signals into sounds loud enough to be heard at a distance, usually outdoors; it is used to amplify or transmit over a distance speech from a person, who is typically speaking into a microphone. Sometimes it is used to play recorded speech or music.
Syn. speaker, speaker unit, loudspeaker system, speaker system.