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Make your audio installation easier by buying a perfectly matched subwoofer with box. These loaded car subs include a sub, enclosure and sometimes an amp.

Polk Audio Loaded Car Subwoofer Boxes

All Polk Audio Loaded Car Sub Boxes
Polk Audio Powered Car Subwoofer Boxes
Polk Audio Ported & Loaded Car Sub Boxes
Polk Audio Angled & Truck Loaded Sub Boxes

Top Sellers in Polk Audio Loaded Car Subwoofer Boxes

DXi Series 360 Watt RMS 12" Dual 4 ohm Subwoofer + 1.85 cu ft. Single 12" Ported Enclosure with Custom Black Baffle

• 12" Dual 4 ohm Subwoofer
• 720 Watts Max
• 360 Watts RMS
• Dynamic Balance polypropylene cone
• Butyl Rubber Surround
• 12" Single Ported Subwoofer Enclosure
• Total Box Volume: 1.842 Cubic Feet

$85.32

IN STOCK

Single 12" Ported Subwoofer Enclosure Loaded with One 12" db Series Sub

• Loaded 12" Ported Subwoofer Enclosure
• One 12" db Series Sub
• 720 Watts Peak
• 360 Watts RMS
• Final Impedance of 2 ohm
• Polypropylene Cone
• Santoprene Surround
• Hatchback Enclosure Design

$154.99

IN STOCK

Only 1 Left!

Two Polk Audio DXi Series 360 Watt RMS 12" Dual 4 ohm Subwoofers with Belva BB Series Class AB Monoblock Amplifier + 3.7 cu ft. Dual 12" Ported Enclosure with Custom Black Baffle

• 12" Dual 4 ohm Subwoofer
• 720 Watts Max
• 360 Watts RMS
• Dynamic Balance polypropylene cone
• Butyl Rubber Surround
• 12" Dual Ported Subwoofer Enclosure
• Total box volume: 3.7 Cubic Feet
• Class-D Mono-Block Amplifier
• RMS: 540W x 1 @ 4 ohms, 900W x 1 @ 2 ohms, 1200W x 1 @ 1 ohm

$290.35

IN STOCK