Assertion: subwoofer | /r/CapableOf | use speaker
Facets:
Source sentences:
text: Subwoofers use speakers’ natural frequency roll-off
text: subwoofers employ a speaker that radiates downward, toward the floor.
text: The subwoofer works with every speaker.
text: Small Room/ apartment: The subwoofer may overpower the other speakers if you have your system in a small room or apartment.