About: http://webisa.webdatacommons.org/180983649

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	hand is a piece of paper that indicates speaker efficiency is 91dB and that the -3dB point
http://www.w3.org/ns/prov#wasQuotedFrom	soundstage.com