Public address system (6)
I believe the answer is:
tannoy
(Other definitions for tannoy that I've seen before include "Public-address system" , "Orator's amplifier" , "Public address system" , "Speaker" , "Loudspeaker system" .)
I believe the answer is:
tannoy
(Other definitions for tannoy that I've seen before include "Public-address system" , "Orator's amplifier" , "Public address system" , "Speaker" , "Loudspeaker system" .)