About this gear
The SDA-2B represents Polk's advanced stereo imaging technology, using proprietary SDA (Spatial Dimension Array) processing to create a wider, more three-dimensional soundstage than conventional speakers. Released in 1985, it was part of a premium line aimed at critical listeners seeking spatial realism without exotic aesthetics or pricing.
About Polk Audio
Founded in 1972 by Matthew Polk, George Klopfer, and Sandy Gross in Baltimore, Maryland, Polk Audio is one of America's most successful loudspeaker brands, built on a mission to deliver audiophile-quality sound at prices accessible to everyday music lovers. The company grew from a garage operation i...
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