Assertion: electric megaphone | /r/CapableOf | amplify the voice
Facets:
value: to over 90 db.
type: OTHER
value: to a higher level
type: TRANSITIVE-OBJECT
Source sentences:
text: Although slightly heavier than acoustic megaphones, electric megaphones can amplify the voice to a higher level, to over 90 dB. They have replaced acoustic megaphones in most applications, and are generally used to address congregations of people wherever stationary public address systems are not available; at outdoor sporting events, movie sets, political rallies, and street demonstrations.