About: http://webisa.webdatacommons.org/179809898

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 speaker is a device found in radios, telephones, and other electronic devices that converts electrical energy into sound energy.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu