About: http://webisa.webdatacommons.org/430833784

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A subwoofer is a specialized speaker responsible for the most difficult duty in home theater.
http://www.w3.org/ns/prov#wasQuotedFrom	hsuresearch.com