Polk Audio RTi A7

Founded in Baltimore in 1972, Polk Audio set out on its mission to build affordable high-quality loudspeakers. Led by the three Johns Hopkins University graduates Matthew Polk, Sandy Gross and George Klopfer, Polk Audio saw its first commercial success with its Monitor 7 loudspeakers in 1974. The company has since made some noteworthy products, such as the SDA series of 1984 and the L800 of 2018.

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