About: http://webisa.webdatacommons.org/375606111

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	The reason USB is an option on those (and costs $100) is (warning: recalling from memory), a lot of people use SPDIF which is in a lot of cases superior, and using async hi res USB requires drivers, and a new clock if I remember.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org