mic
microphone
mike
telephone
phone
telephone set
radio
television equipment
video equipment
chime
acoustic
diaphragm
electro-acoustic transducer
acoustic device
spectrum analyzer
optophone
whistle
loudspeaker
acoustic coupler
microphoning
electrophone
wah-wah
antenna
sound system
reverb
Blattnerphone
filter
acoustic energy
hydrophone
coupler
speaker unit
equalizer
audio system
speaker system
equaliser
zap
loudspeaker system
speaker
acoustoelectronics
pulse demodulator
autodyne
unacoustic
hi-fi
compressor
radioemitter
phonautograph
audio amplifier
cycloconverter
telephonograph
oscillator
audio recording
sound recording
audio
siren
actinophone
sonifier
pulse modulator
electrophonic
flanger
halldorophone
radioelectricity
phaser
keraunophone
infrasonic
mixer
reproducer
feedback
tonoscope
acoustic guitar
acoustomechanical
sirenlike
electrocardiophonography
tink
hot
expander
tape deck
antihum
tweeter
doubler
thermophone
sixty cycle hum
sonicate
mains hum
oscillograph
high fidelity sound system
conductor
kicksorter
phonorecord
immitanciometer
sounder
blast out