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<http://webisa.webdatacommons.org/415251144>	<http://www.w3.org/ns/prov#value>	"Note: To achieve desired surround sound effects, install digital sound projector where there are no objects, such as furniture, obstructing the path of the sound beams." .
<http://webisa.webdatacommons.org/415251144>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<crutchfield.com> .