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[loud-spee-ker] /ˈlaʊdˌspi kər/
any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like.
  1. a device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.
  2. speaker (def 4).
1880-85; loud + speaker Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples 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


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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loudspeaker in Technology

audio, hardware
An electromechanical device for converting an electrical signal into sound.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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