Black Friday Ads 2010 - Polk Audio - 10" 100W Powered Subwoofer at Best Buy

NOTE: This deal is from the 2008 Best Buy Black Friday sale. It is no longer valid.
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Product Description:

Powered subwoofer with 10" Dynamic Balance composite woofer delivers rich, balanced low-frequency home theater audio
Built-in amplifier supplies 100 watts peak power (50 RMS) for punchy low-end sound with minimal distortion
Nonresonant MDF enclosure with 3/4" baffle and vented, flared bass port efficiently transmits bass energy to the room for powerful bass response