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Add more bass to your boat with quality and certified marine speakers. Browse now to view a large selection of marine subs with variety of sizes and price-points!
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360W 12" db Series Dual 4 ohm Marine Certified Car Subwoofer

• 720W Peak
• 360W RMS
• Dual 4 ohm
• Polypropylene Cone
• Santoprene Surround
• Fire-retardant flat NOMEX Spider
• Dual Voice Coil

Frequently Bought Together - 10% off Sound Dampening



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Polk Audio Subwoofer Installation & Accessories
Get the most sound out of your subwoofer with these installation parts designed to make your subwoofer instal easier and sound better. Within this category, you will find box terminals, polyfil, subwoofer boxes, sound damping material, subwoofer grilles, speaker wire, connecters, and many more accessories. For all your installation needs, check out our expansive selection of car subwoofer installation parts.