Assertion: subwoofer | /r/HasProperty | purchased
Facets:
value: separately
type: MANNER
Source sentences:
text: Thus, subwoofers may be part of a package that includes satellite speakers, may be purchased separately, or may be built into the same cabinet as a conventional speaker system.
text: Subwoofers can be purchased in their basic form, which is unmounted and not yet ready to be used, or can be purchased already installed in a box.