loudspeaker

American  

[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.

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loudspeaker British  

/ ˌlaʊdˈspiːkə /

noun

1. Also called: reproducer.  Sometimes shortened to: speaker.  a device for converting audio-frequency signals into the equivalent sound waves by means of a vibrating conical diaphragm

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Etymology

Origin of loudspeaker

First recorded in 1880–85; loud + speaker

Example Sentences

Before his speech, he had Trump on the phone on loudspeaker, who said "I love that Viktor".

From Barron's • Apr. 7, 2026

This technique records electrical activity between the inner ear and the brain using small electrodes placed on the animals while short bursts of sound are played through a small loudspeaker.

From Science Daily • Mar. 12, 2026

Tests of the emergency alert and loudspeaker system at RAF Fairford, known as the Giant Voice, have been running since 10:30 GMT and are set to continue until 15:00.

From BBC • Mar. 2, 2026

“It’s really, really hard,” he said, as a worker called customer order numbers over the loudspeaker in Spanish and English.

From The Wall Street Journal • Jan. 20, 2026

“GET OUT OF THE WATER!” the loudspeaker boomed again, but Owen and George ignored it.

From "Two Degrees" by Alan Gratz

Related Words

• bullhorn
• megaphone
• public address system