About: http://webisa.webdatacommons.org/326547429

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	This programmable subsonic filter provides an 18 dB/octave high pass filter for your subwoofer or other low frequency speakers.
http://www.w3.org/ns/prov#wasQuotedFrom	sonicelectronix.com