Assertion: surround sound system | /r/HasProperty | subwoofer
Facets:
Source sentences:
text: The home theater surround sound system includes a Sony HT-Z9F 3.1 channel soundbar and two wireless rear speakers and a subwoofer
text: A surround sound system includes a subwoofer and a set of speakers which thanks to the drivers provide viewers and listeners with an immersive surround sound.