power mic
microgenic
dynamic microphone
magneto-dynamic microphone
gobo
smart speaker
telephonograph
vogad
directional mike
directional microphone
hot microphone
detectaphone
dictograph
bidirectional
ribbon microphone
jammer
bullhorn
loud-hailer
loud hailer
phantom power
laryngophone
shotgun microphone
public address system
dictation machine
hi-fi
push-button radio
microphonograph
scrambler
multimike
electro-acoustic transducer
contact microphone
contact mike
audio system
microphoning
loudspeaker
sound system
boom
tweeter
detectograph
radiotelephone
acoustic device
radiotelephony
wireless telephone
radio operator
roger beep
fiber optic microphone
rig
karaoke machine
citizens' band radio
studio monitor