Assertion: passive subwoofer | /r/HasAspect | a subwoofer driver
Facets:
Source sentences:
text: Passive subwoofers have a subwoofer driver and enclosure and they are powered by an external amplifier.
text: Passive subwoofers' have a subwoofer driver and enclosure, but they do not include an amplifier.
text: Passive subwoofers have a subwoofer driver and enclosure and they are powered by an external amplifier.