About: http://webisa.webdatacommons.org/309590407

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 switch has three positions including 0 dB or no compensation, and -2 dB or -4 dB specific for the upper bass frequencies.
http://www.w3.org/ns/prov#wasQuotedFrom	hometheaterhifi.com