loudspeaker

noun 0.667

speaking trumpet

noun 0.653

microphone

noun 0.653

bullhorn

noun 0.608

loudhailer

noun 0.602

speaker

noun 0.580

amplifier

noun 0.565

magnifier

noun 0.560

hailer

noun 0.555

speakerphone

noun 0.554

mouthpiece

noun 0.548

tannoy

noun 0.546

gramophone

noun 0.545

magnifying glass

noun 0.543

speechmaker

noun 0.537

dictaphone

noun 0.531

klaxon

noun 0.525

photophone

noun 0.524

lectern

noun 0.522

foghorn

noun 0.522

mega

noun 0.521

trumpet

noun 0.518

loud

noun 0.516

boom box

noun 0.516

headphone

noun 0.516

meg

noun 0.516

loudmouth

noun 0.515

phono

noun 0.512

hydrophone

noun 0.512

hearing aid

noun 0.509

graphophone

noun 0.507

projector

noun 0.506

phonograph

noun 0.505

tweeter

noun 0.503

speech bubble

noun 0.503

sound box

noun 0.502

ambo

noun 0.501

antenna

noun 0.501

voice box

noun 0.500