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