Polk MM1242 SVC 12" Subwoofer with Ultra-Marine Certification

Tuned for the total sonic accuracy you get in a studio subwoofer, the MM1 Series reconfigures this kind of high-quality deep bass impact for an on-the-go listening experience that totally outperforms your OEM factory setup.

• Ultra-marine certified (IP56 rated)
• Dirt & water-resistant & tested for salt-fog, UV & humidity
• Used in Automobile, Boats & ATVs
• 12" Dynamic Balance® polypropylene woofer