About: http://webisa.webdatacommons.org/89715121

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	Basically, is the He-500 just a "sidegrade of the He-400, and does it provide things that are not EQ-able such as soundstage and clarity?
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org