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Get best bang for the buck with sealed subwoofer boxes. Browse our immense selection of Sealed Enclosures and add some bass to your vehicle - Shop now!

Sealed Subwoofer Boxes

Sealed enclosures give the best bang for the buck. These boxes improve the power handling capability of your subwoofer, and they are available in 8", 10", 12", and 15" designs.
10" Sealed Subwoofer Boxes
12" Sealed Subwoofer Boxes
13" Sealed Subwoofer Boxes
15" Sealed Subwoofer Boxes
8" Sealed Subwoofer Boxes

Top Sellers in Sealed Subwoofer Boxes

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.0 cu ft airspace 12SQTC)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

Get 40% Off a Sealed Enclosure with Your Subwoofer Purchase!

$34.99

IN STOCK

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

50% Off Speaker Wire with Purchase

$49.99

IN STOCK

10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (0.77 cu ft airspace 10SQTC)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

40% Off Sealed Enclosure with Your Subwoofer Purchase!

$31.99

IN STOCK

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.5 cu ft airspace)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals
• 1.5 Cubic ft Box Volume

50% Off Sealed Enclosure with Your Subwoofer Purchase!

$39.99

IN STOCK

10" Single Sealed Ultra Slim Series Subwoofer Enclosure

10" Single Sealed Ultra Slim Series Subwoofer Enclosure • Premium carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

25% Off a Sealed Shallow Enclosure with Your Sub Purchase!

$37.95

IN STOCK

12" Single Sealed Ultra Slim Series Subwoofer Enclosure

• 12" Single Sealed Ultra Slim Series Subwoofer Enclosure
• Premium carpeted Finish • Silver Spring Loaded Terminal Cups
• Completely Miter and Dado Panels
• Glued and Braced with Fasteners

25% Off a Sealed Shallow Enclosure with Your Sub Purchase!

$40.95

IN STOCK

Fits Select 1992-1995 Honda Civic Vehicles - 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

• 200W Single 10" Sealed Subwoofer Enclosure
• RMS: 200 W Total
• Preloaded with single 10" Terminator-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

$349.95

SPECIAL ORDER

Ships at Later Date

15-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.9 cu ft airspace 15SQTC)

• 15" Sealed Subwoofer Enclosure
• 3/4" High Quality MDF
• Durable Black Carpeting
• Terminal Cup Installed With Gold Posts
• Internal Box Volume: 1.90 Cubic FT

Get a FREE 15" Sealed Box with the purchase of select subs!

$44.99

IN STOCK

12" Hatchback Style Single Small Sealed Subwoofer Enclosure

12" Hatchback Style Single Small Sealed Subwoofer Enclosure • Premium carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

$42.95

IN STOCK

Only 2 Left!

Dual 10-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.6 cu ft Airspace - 10SQB)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

50% Off Speaker Wire with Purchase

$49.99

IN STOCK

Fits Select Chevrolet/GMC Vehicles - 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

• 200W Single 10" Sealed Subwoofer Enclosure
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

$549.95

SPECIAL ORDER

Ships at Later Date

Fits Select Chevrolet/GMC Vehicles - 10" 200W Loaded Thunderform Subwoofer Enclosure - Tan

• 200W Single 10" Sealed Subwoofer Enclosure
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Tan

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

$449.95

SPECIAL ORDER

Ships at Later Date

12" Sealed Subwoofer Enclosure

• Will fit most 12" subwoofers
• Approx 1.25 cubic feet of air space
• Provides better subwoofer sound quality
• Pre-wired with power cables
• Tightly sealed subwoofer enclosure to prevent air leaks

$39.99

IN STOCK

Only 1 Left!

Fits Select 2008-2012 Ford Escape Vehicles - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" Terminator-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

$549.95

SPECIAL ORDER

Ships at Later Date

Single 10" Sealed 3/4" MDF Car Subwoofer Enclosure Box Lined with Polyfil

• Single 10" Sealed MDF Enclosure
• High Quality 3/4" MDF Construction
• Gold Binding Post Terminals
• Durable Gray Carpeting
• Total Box Volume: 0.7 Cubic ft

50% Off Subwoofer Grill with Purchase

$34.99

IN STOCK

8" Single Universal Truck Style Sealed Subwoofer Enclosure

8" Single Universal Truck Style Sealed Subwoofer Enclosure • Premium carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

Save 25% off on 8" Subwoofer Enclosure!

$39.95

IN STOCK

Fits Select 2009-2015 Ford Flex Vehicles - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Black

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" Terminator-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Black

$549.95

SPECIAL ORDER

Ships at Later Date

Fits Select Chevrolet/GMC Vehicles - Amplified 10" 200W Loaded Thunderform Subwoofer Enclosure - Tan

• 200W Single 10" Sealed Subwoofer Enclosure with Built-In Amplifier
• RMS: 200 W Total
• Preloaded with single 10" FPR-Series Subwoofers
• 10" Sealed Vehicle Specific Enclosure
• Sealed enclosure with factory finish - Tan

VIP Guarantee - FREE Shipping,
10% Rewards, Extended Warranty and more!

$649.95

SPECIAL ORDER

Ships at Later Date

10" Single Medium Pro Series Sealed Subwoofer Enclosure

10" Single Medium Pro Series Sealed Subwoofer Enclosure • Premium carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

Get a FREE Sealed Enclosure with Your JL Subwoofer Purchase!

$44.95

IN STOCK

12" Single Universal Truck Style Sealed Subwoofer Enclosure

12" Single Universal Truck Style Sealed Subwoofer Enclosure • Premium carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

$45.95

IN STOCK

Only 2 Left!

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Sealed Subwoofer Boxes Information

Sealed Subwoofer Enclosure Information:

A sealed subwoofer enclosure does not allow any air to enter or escape the box. A sealed subwoofer box allows your subwoofer to perform with optimal transient response for tighter bass and enhanced sound accuracy. You can choose from single, dual, and triple slot subwoofer enclosures to house your subs. Our boxes come standard with a circular hole, but we also carry square enclosures for Kicker subs. Shallow mount subwoofer enclosures are designed with less depth to match shallow mount subwoofers, a great option if you have minimal space behind your seat or in your trunk. The same can be said of our hatchbox sealed enclosures, which are angled to save space in your cab. Most of our sealed boxes are designed with dense fiberboard and a thick layer of carpeting for enhanced durability. For the ultimate enclosure, check out the fiberglass sealed subwoofer enclosures, which include a lifetime warranty.