Car Subwoofer Boxes & Enclosures at Sonic Electronix
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All Car 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

FREE Sealed Enclosure with Your Subwoofer Purchase!

$39.99

IN STOCK

Single 12" Vented MDF Enclosure

• Single 12" Vented MDF Enclosure
• Holds one 12" subwoofer
• 3/4 MDF (Medium Density Fiberboard) Construction
• Durable gray carpeting
• Gold Terminals
• Internal Box Volume: 1.8 cubic ft.

50% Off Speaker Wire with Enclosure Purchase

$44.99

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 Enclosure Purchase

$49.99

IN STOCK

1TRUCK12 - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• 0.75 CuFt
• fully carpeted
• Fully Caulked and Sealed Tight

FREE Sealed Truck Enclosure with Your Subwoofer Purchase!

$29.99

IN STOCK

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

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

FREE Sealed Enclosure with Your Subwoofer Purchase!

$39.99

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

Get a FREE Sealed Enclosure with Your Subwoofer Purchase!

$39.99

IN STOCK

1 Pair of 6" X 9" Speaker Boxes Made with 3/4" Hardwood MDF

1 Pair of 6" x 9" Speaker Enclosure • 4" Hardwood MDF Construction • Silver Spring Loaded Terminal Cups • Premium carpeted finish • Designed for 6" x 9" Speakers

Get 50% off a Pair of Atrend 6x9 Speaker Boxes!

$29.99

IN STOCK

12-inch Vented Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.8 cu ft airspace 1SV12B)

• Single 12" Vented MDF Enclosure
• Holds one 12" subwoofer
• 3/4 MDF (Medium Density Fiberboard) Construction
• Durable black carpeting
• Gold Terminals
• Internal Box Volume: 1.8 cubic ft.

Add a Vented Enclosure with Your Subwoofer Purchase!

$44.99

IN STOCK

Only 2 Left!

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

Save 40% on a Sealed Enclosure with Your Subwoofer Purchase!

$44.99

IN STOCK

12" Single Pro Series Vented Subwoofer Enclosure (1.5 Cu Ft Airspace)

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

Get a FREE Pro Series Ported Enclosure with Purchase!

$69.99

IN STOCK

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 Enclosure Purchase

$49.99

IN STOCK

  • 3.5
2 reviews

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

$24.99

IN STOCK

  • 4.7
7 reviews

Single 12" Subwoofer Enclosure for 1999-2007 Chevy/GMC Trucks

• Single 12" Down Firing Subwoofer Enclosure
• Designed Specifically For 1999-2007 Chevy Silverado and GMC Sierra Extended Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$64.99

IN STOCK

Only 2 Left!

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 Speaker Wire with Enclosure Purchase

$34.99

IN STOCK

  • 5.0
2 reviews

1.065 cu ft Single 10" Ported Car Subwoofer Box Enclosure with Custom Blue Baffle

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard Construction
• High Gloss Blue Finish Panel
• Durable Black Carpet
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals
• Total Box Volume: 1.065 Cubic Feet

FREE Vented Enclosure with Your Subwoofer Purchase!

$49.99

IN STOCK

  • 5.0
5 reviews

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!

$34.95

IN STOCK

  • 4.7
9 reviews

Dual 12" Subwoofer Enclosure for 99-07 Chevy Silverado and GMC Sierra Extended Cab Trucks

• 12" Dual Medium Down-Firing Subwoofer Enclosure
• For Select GM Trucks
• Designed Specifically For Chevy Silverado or GM Sierra Extended Cabs 1999-2007
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$88.99

IN STOCK

  • 4.5
2 reviews

Single 10" Subwoofer Enclosure for 04-Up Ford F150 Extended Cab & Super Crew Cab Trucks

• Single 10" Down Firing Subwoofer Enclosure
• Designed Specifically For 04-Up Ford F150 Extended Cab & Super Crew Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$59.99

IN STOCK

Only 1 Left!

15" Single Pro Series Vented Subwoofer Enclosure

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

Add a Vented Enclosure with Your Subwoofer Purchase!

$99.99

IN STOCK

  • 4.5
2 reviews

Single 10" Vented Subwoofer Enclosure for 14-Up Chevy Silverado and GMC Sierra Extended Cab Trucks

• Single 10" Down Firing Vented Subwoofer Enclosure
• Designed Specifically For 14-Up Chevy Silverado and GMC Sierra Extended Cab Trucks
• Premium Carpeted Finish
• Glued & Braced MDF Construction
• Rounded Edges

$83.95

OUT OF STOCK

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