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Add more bass with name brand car subwoofers that will provide ground pounding sound! View our latest selection of car subs that meet every enthusiast's taste.
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All Polk Audio Car Subwoofers Round Subwoofers

270W 10" db Series Dual 4 ohm Marine Certified Car Subwoofer

• 540W Peak
• 270W RMS
• Dual 4 Ohm
• Polypropylene Cone
• Santoprene Surround
• Dual Voice Coil
• Fire-retardant Flat NOMEX Spider

Save 10% on a Sealed Enclosure with Your Subwoofer Purchase!

$59.99

IN STOCK

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

$64.99

IN STOCK

180W 8" db Series Single 4 ohm Marine Certified Subwoofer

• 360W Peak
• 180W RMS
• Polypropylene Cone Woofer
• Santoprene Rubber Surround
• Marine Certified
• Triple Vented 4-layer Kapton single 4 Ohms Voice Coil

Frequently Bought Together - 10% off Sound Dampening

$54.95

IN STOCK

270W 10" db Series Single 4 ohm Marine Certified Subwoofer

• 540W Peak
• 270W RMS
• Single 4 Ohms
• Polypropylene Cone
• Santoprene Rubber Surround
• Marine Certified

Save 10% on a Sealed Enclosure with Your Subwoofer Purchase!

$59.99

IN STOCK

350W 10" Mobile Monitor Series Single 4 ohm Marine Car Subwoofer

• 700W Peak
• 350W RMS
• Polymer Woofer
• Butyl Rubber Surround
• Marine Certified
• 2" High Temperature Copper Voice Coil

Frequently Bought Together - 10% off Sound Dampening

$164.99

IN STOCK

425W 12" Mobile Monitor Series Single 4 ohm Marine Certified Car Subwoofer

• 800W Peak
• 425W RMS
• Polymer Woofer Cone
• Butyl Rubber Surround
• Carbon Composite Basket
• Marine Certified
• Klippel Distortion Analyzer

Frequently Bought Together - 10% off Sound Dampening

$159.99

IN STOCK

350W 10" Mobile Monitor Series Single 4 ohm Marine Certified Car Subwoofer

• 700W Peak
• 350W RMS
• Polymer Woofer Cone
• Butyl Rubber Surround
• Klippel Distortion Analyzer
• 2" Copper Voice Coil
• Marine Certified

Frequently Bought Together - 10% off Sound Dampening

$129.99

IN STOCK

250W 8" Mobile Monitor Series Dual 4 ohm Marine Certified Car Subwoofer

• 500W Peak
• 250W RMS
• Polymer cone woofer
• Butyl rubber surround
• Advanced carbon composite basket will not flex during peaks

Frequently Bought Together - 10% off Sound Dampening

$112.95

IN STOCK

360W 12" db Series Single 4 ohm Marine Certified Car Subwoofer

• 720W Peak
• 360W RMS
• Polypropylene Cone
• Santoprene Rubber Surround
• Marine Certified

Frequently Bought Together - 10% off Sound Dampening

$59.99

IN STOCK

720W DXi Series Single 12" Size Ported Subwoofer Enclosure

• 720W Single 12" Ported Subwoofer Enclosure
• 12" DXi Series Subwoofer
• 3/4" MDF Enclosure with Automotive Grade Carpet Finish
• Single Set of Spring Post Terminals
• Enclosure Dimensions: 15" TD x 17-5/8" BD x 17-5/8" W x 14-3/8" H

35% Off a Sound Dampening Kit with Your Subwoofer Purchase!

$99.99

IN STOCK

425W 12" Mobile Monitor Series Dual 4 ohm Marine Certified Car Subwoofer

• 850W Peak
• 425W RMS
• Polymer woofer cone
• Butyl rubber surround
• Carbon Composite Basket
• Marine Certified
• Klippel Distortion Analyzer

Frequently Bought Together - 10% off Sound Dampening

$169.99

IN STOCK

250W 8" Mobile Monitor Series Single 4 ohm Marine Certified Car Subwoofer

• 500W Peak
• 250W RMS
• Single 4 ohm
• Polymer Woofer Cones
• Butyl Rubber Surround
• Carbon Composite Basket
• High Temperature Copper Voice Coil

Frequently Bought Together - 10% off Sound Dampening

$109.99

IN STOCK

15" Single 4 ohm Marine Certified Mobile Monitor Series Car Subwoofer

• 15" Single 4 Ohm Mobile Monitor Series Subwoofer
• 850 Watts Peak
• 425 Watts RMS
• Polymer Woofer Cone
• Butyl Rubber Woofer Surround
• High-Tech Carbon Composite Basket
• Klippel Optimized Components

$139.99

IN STOCK

180W 8" db Series Dual 4 ohm Marine Certified Subwoofer

• 360W Peak
• 180W RMS
• Dual 4 Ohm
• Marine Certified
• Santoprene Surround
• Polymer Composite Cone
• NOMEX Spider
• 4-Layer Kapton Voice Coil

$54.95

OUT OF STOCK