acoustical network
capacitor speaker
chair
chairman
chatterbox
coaxial speaker
cone
convener
conversationalist
crossover network
debater
declaimer
demagogue
diaphragm
dynamic speaker
earphone
electrodynamic speaker
electromagnetic speaker
electrostatic speaker
excited-field speaker
full-fidelity speaker
haranguer
headphone
headset
herald
high-fidelity speaker
high-frequency speaker
horn
jawsmith
keynoter
lecturer
loudspeaker
low-frequency speaker
midrange speaker
monorange speaker
mouth
mouthpiece
moving-coil speaker
official spokesman
orator
panelist
patterer
permanent magnet speaker
presiding officer
prolocutor
prolocutress
prolocutrix
public speaker
rabble-rouser
ranter
actor
critic
editor
judge
lawyer
leader
manager
minister
physician
player
preacher
reader
scholar
speech
teacher
writer
beaker
bleaker
leaker
meaker
meeker
seeker
sleeker
sneaker
squeaker
streaker
weaker