Assertion: headphone's driver | /r/HasProperty | the most common configuration
Facets:
value: for speakers
type: TRANSITIVE-OBJECT
value: for headphones
type: PURPOSE
value: for both headphones
type: OTHER
Source sentences:
text: Dynamic drivers are the most common configuration for both headphones and speakers.
text: Dynamic drivers are by far the most common type of driver for speakers and headphones; dynamic drivers are dome- or cone-shaped devices.