Polk Audio Audio DSW MicroPRO 4000 Subwoofer Speaker Subwoofers Reviews

The biggest and baddest of the MicroPro series- this sub will knock your socks off! Featuring a 12" woofer and 12" x 12" bass radiator, this subwoofer has the capability to play below the limit of human hearing, great for both movies and music with ultra-low bass content.

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