diaphragm
speaker unit
loudspeaker
loudspeaker system
speaker
speaker system
phone
earpiece
thermophone
earphone
headphone
electro-acoustic transducer
mic
microphone
mike
radio
electromagnetic transducer
plate reverb
halldorophone
microphoning
acoustoelectronics
damper
tape recorder
muffler
telephone set
telephone
telephony
compressor
electromechanical transducer
tonoscope
electrophonic
radiotelephony
sonicate
wah-wah
hydrophone
pseudophone
supersound
acoustic coupler
phonautograph
acoustic device
teletactor
reverb
sound system
audio system
equalizer
blip
matrix mixer
deaf-aid
tweeter
skronk
hearing aid
attenuator
antihum
soundscape
audio
sound recording
immitanciometer
electrophone
audio recording
hi-fi
mute
cartridge
spectrum analyzer
unacoustic
expander
subwoofer
receiver
pickup
scratch
telephone receiver
antenna
television equipment
ring
video equipment
audiotape
repeater
attenuate
tape deck
telephonograph
sixty cycle hum
bleep
sonifier
unplugged
phonomotor
waveshaper
synthesizer
acoustomechanical
chorus pedal
reel-to-reel tape recorder
synthesiser
chime