loudspeaker

[loud-spee-ker] /ˈlaʊdˌspi kər/
noun
1.
any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like.
2.
Audio.
  1. a device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.
  2. speaker (def 4).
Origin
1880-85; loud + speaker
Examples from the web for loudspeaker
  • The new version will also have a microphone and a loudspeaker.
  • The video below, which shows a thin-film loudspeaker playing dance music while mounted on a waving flag, is pretty amazing.
  • Think of a bus station loudspeaker system, no one can understand what is broadcast when first exposed.
  • Consequently, the alarm did not sound during the emergency, leaving workers to relay information through the loudspeaker system.
  • If a loudspeaker system is desired, the required equipment can usually be rented from electronics or instrumentation dealers.
  • Authority has lost control of the microphone and the loudspeaker.
  • The amplifiers are used to provide power to a loudspeaker in a home audio playback system.
  • Listen for your case to be called over the loudspeaker.
  • Use a megaphone, loudspeaker or other sound amplifying device.
  • A loudspeaker design which has transducers on the front and the rear of the enclosure.
British Dictionary definitions for loudspeaker

loudspeaker

/ˌlaʊdˈspiːkə/
noun
1.
a device for converting audio-frequency signals into the equivalent sound waves by means of a vibrating conical diaphragm Sometimes shortened to speaker Also called reproducer
Word Origin and History for loudspeaker
n.

also loud-speaker, 1884, from loud (adj.) + speaker.

loudspeaker in Technology

audio, hardware
An electromechanical device for converting an electrical signal into sound.
(2008-10-09)