About: http://webisa.webdatacommons.org/202943000

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	Your most strait forward solution is to run your power and signal wires and install a powered subwoofer or a separate amp and sub.
http://www.w3.org/ns/prov#wasQuotedFrom	caraudio.com