loudspeaker
n. B1 Intermediate US //ˈɫaʊdˌspikɝ// UK //lˈaʊdspiːkɐ// loud·speak·er
n. a device that makes sound waves so you can hear them. You use it to play music or talk through a microphone.
n. an electroacoustic transducer that converts electrical signals into sound waves. It is the primary component of a sound system used for public address or audio reproduction.
The loudspeaker plays music very clearly.
The technician adjusted the loudspeaker to ensure the entire hall could hear the speech.
Modern loudspeakers use complex driver arrays and digital signal processing to achieve a flat frequency response and high sound pressure levels without distortion.
From loud + speaker.