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  1. Home
  2. Polk Audio Store
  3. Polk Audio Car Audio & Electronics
  4. Polk Audio Car Subwoofers
  5. Polk Audio Custom-fit Subwoofer Boxes
  6. Polk Audio All Custom-fit Subwoofer Boxes

All Polk Audio Custom-fit Subwoofer Boxes for your 1978 CJ5 close

Find the ideal match for your vehicle with Polk Audio's All Custom-fit Subwoofer Boxes.

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Price Range
Number of Subwoofers
This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Box Type
Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
Type of Enclosure
Some of our Vehicle Specific enclosures are loaded with a subwoofer and an amplifier, some are only loaded with a subwoofer, while some are empty boxes.
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Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
Box Finish
The material used on the outside of the box. Most boxes are carpeted to prevent exterior scratches; however vinyl is popular as it can often be color-matched to a near exact look of your leather factory interior.

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Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

(2) DB 1042 DVC,A164-10CP big Out of stock
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Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

•2 Subwoofers and Dual Subwoofer Enclosure
•1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
•Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

Save 15% Off Package Deals at Checkout!

No Fit Icon Doesn't fit your CJ5

4
List price $414.97
-8% $379.99
Add to Cart

•2 Subwoofers and Dual Subwoofer Enclosure
•1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
•Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

Fits 2007-13 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC

Dual Under-Seat Loaded Subwoofer Enclosure for

(2) DB 1042 DVC,A142-10CP big Out of stock
Go to item page Right Arrow Icon of Right Arrow

Fits 2007-13 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 DVC

Dual Under-Seat Loaded Subwoofer Enclosure for

• 2 Subwoofer and Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
• Dual 10" Subwoofer Enclosure for 07-2013 Chevy Silverado and GMC Sierra Extended Cab Trucks

No Fit Icon Doesn't fit your CJ5

8
List price $439.97
-8% $405.99
Add to Cart

• 2 Subwoofer and Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
• Dual 10" Subwoofer Enclosure for 07-2013 Chevy Silverado and GMC Sierra Extended Cab Trucks

Fits 1988-98 Chevy Silverado/GMC Sierra Single Loaded Subwoofer Box DB 1042 DVC

Under-Seat Loaded Subwoofer Enclosure for select 1988-1999 vehicles from Chevrolet, GMC

A101-10CP,DB 1042 DVC big Out of stock
Go to item page Right Arrow Icon of Right Arrow

Fits 1988-98 Chevy Silverado/GMC Sierra Single Loaded Subwoofer Box DB 1042 DVC

Under-Seat Loaded Subwoofer Enclosure for select 1988-1999 vehicles from Chevrolet, GMC

• Subwoofer and Subwoofer Enclosure bundle
• 1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
• Single 10" Subwoofer Enclosure for 88-98 Chevy Silverado and GMC Sierra Extended Cab Trucks

No Fit Icon Doesn't fit your CJ5

15
List price $239.98
-18% $195.99
Add to Cart

• Subwoofer and Subwoofer Enclosure bundle
• 1050W Peak (350W RMS) 10" Dual 4-ohm Car / Marine Subwoofer
• Single 10" Subwoofer Enclosure for 88-98 Chevy Silverado and GMC Sierra Extended Cab Trucks

Fits 1988-98 Chevy Silverado/GMC Sierra Single Loaded Subwoofer Box DB 1042 SVC

Under-Seat Loaded Subwoofer Enclosure for select 1988-1999 vehicles from Chevrolet, GMC

A101-10CP,DB 1042 SVC big Out of stock
Go to item page Right Arrow Icon of Right Arrow

Fits 1988-98 Chevy Silverado/GMC Sierra Single Loaded Subwoofer Box DB 1042 SVC

Under-Seat Loaded Subwoofer Enclosure for select 1988-1999 vehicles from Chevrolet, GMC

• Subwoofeer and Subwoofer Enclosure bundle
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Single 10" Subwoofer Enclosure for 88-98 Chevy Silverado and GMC Sierra Extended Cab Trucks

No Fit Icon Doesn't fit your CJ5

18
List price $239.98
-24% $181.82
Add to Cart

• Subwoofeer and Subwoofer Enclosure bundle
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Single 10" Subwoofer Enclosure for 88-98 Chevy Silverado and GMC Sierra Extended Cab Trucks

Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 SVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

(2) DB 1042 SVC,A164-10CP big Out of stock
Go to item page Right Arrow Icon of Right Arrow

Fits 2003-07 Chevy Silverado/GMC Sierra Dual Loaded Subwoofer Box 2) DB 1042 SVC

Dual Under-Seat Loaded Subwoofer Enclosure for select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali

• 2 Subwoofers with Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

No Fit Icon Doesn't fit your CJ5

7
List price $414.97
-15% $351.65
Add to Cart

• 2 Subwoofers with Dual Subwoofer Enclosure
• 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer
• Dual 10" Subwoofer Enclosure for 03-07 Chevy Silverado and GMC Sierra Crew Cab Trucks

 
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    1978 Jeep CJ5

    1986 Mazda RX-7

    2016 Ford Expedition EL

    2015 Ford Explorer

    1999 Isuzu Oasis

    1973 Cadillac Eldorado

    1991 Mitsubishi Eclipse

    2010 Dodge Nitro

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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