loudspeaker (EN)
noun

noun “loudspeaker”

sg. loudspeaker, pl. loudspeakers
  1. a device that converts electrical signals into sounds you can hear
    The band set up loudspeakers around the stage to amplify their music for the entire crowd.
  2. a phone feature that lets you hear the call out loud without holding the phone close to your ear
    During the phone call, he turned on the loudspeaker so his team could hear the discussion.