acoustic device
1.
(
noun
) a device for amplifying or transmitting sound
Related Words:
bell
,
birdcall
,
device
,
ear trumpet
,
hearing aid
,
megaphone
,
mouthpiece
,
muffler
,
mute
,
silencer
,
siren
,
slapstick
,
speaking trumpet
,
whistle
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