Assertion: speaker | /r/ObjectUse | used for sound reinforcement
Facets:
value: in theatres
type: LOCATION
value: in concerts
type: LOCATION
value: in public address systems
type: LOCATION
value: in concert halls
type: LOCATION
Source sentences:
text: Larger loudspeaker systems are used for music, sound reinforcement in theatres and concert halls, and in public address systems.
text: Larger loudspeaker systems are used for music, sound reinforcement in theatres and concerts, and in public address systems.