Garage
Shop

Discontinued Sealed Subwoofer Boxes for your 2003 Astro close

Loading...
Filters

Your Vehicle


Universal fit Icon
Explore universal-fit product options for your 2003 Astro
Vehicle-specific solutions are not available in this category.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.

Sonic Sub Box: 1SL10-1.0 (OPEN BOX)

Single 10" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed MDF Enclosure

Single 10" Sealed MDF Enclosure • Holds one 10" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable BLACK carpeting • Gold Terminals • Internal Box Volume: 1.01 Cubic ft.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Single 10" Sealed MDF Enclosure • Holds one 10" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable BLACK carpeting • Gold Terminals • Internal Box Volume: 1.01 Cubic ft.

Sonic Sub Box: 1SL12-0.7 (BLACK)

Single 12" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 12" Sealed MDF Enclosure

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable black carpeting • Gold Terminals • Approx. 0.7 Cubic ft

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable black carpeting • Gold Terminals • Approx. 0.7 Cubic ft

Sonic Sub Box: 3SLD10-3.4 (Gray Carpet)

Triple 10" Sealed MDF Enclosure with Divider

Go to item page Right Arrow Icon of Right Arrow

Triple 10" Sealed MDF Enclosure with Divider

Triple 10" Sealed MDF Enclosure with Divider • Holds three 10" subwoofers • 3/4 MDF (Medium Density Fiberboard) Construction • Durable gray carpeting • Gold Terminals • Internal Box Volume: 3.4 cubic ft.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Triple 10" Sealed MDF Enclosure with Divider • Holds three 10" subwoofers • 3/4 MDF (Medium Density Fiberboard) Construction • Durable gray carpeting • Gold Terminals • Internal Box Volume: 3.4 cubic ft.

Sonic Sub Box: 1SL12-1.0 (GRAY CARPET)

Single 12" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 12" Sealed MDF Enclosure

GRAY CARPET VERSION: 3/4" Medium Density Fiberboard construction • fully carpeted • 1.0 cubic ft internal volume • gold speaker terminals

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

GRAY CARPET VERSION: 3/4" Medium Density Fiberboard construction • fully carpeted • 1.0 cubic ft internal volume • gold speaker terminals

Absolute DSS-10 BLACK

Dual 10", 3/4" MDF Sealed Subwoofer Enclosure with Absolute Logo

Go to item page Right Arrow Icon of Right Arrow

Dual 10", 3/4" MDF Sealed Subwoofer Enclosure with Absolute Logo

Dual 10" Sealed Subwoofer Enclosure • 3/4" MDF Construction • 1.589 Total Cubic Feet • Binding Post Terminals • Black Carpet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Dual 10" Sealed Subwoofer Enclosure • 3/4" MDF Construction • 1.589 Total Cubic Feet • Binding Post Terminals • Black Carpet

Atrend 10TK- open box

10" Single Universal Truck Style Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

10" Single Universal Truck Style Sealed Subwoofer Enclosure

10" 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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10" 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

House Brand 10DSPF Open Box

Open Box: Dual 10" Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

Open Box: Dual 10" Sealed Subwoofer Enclosure

10" Dual Sealed Subwoofer Enclosure • 0.76 Cubic Feet Each Chamber • 1.52 Cubic Feet Total • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • Black Carpet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10" Dual Sealed Subwoofer Enclosure • 0.76 Cubic Feet Each Chamber • 1.52 Cubic Feet Total • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • Black Carpet

Absolute SS-12 (Open Box)

Open Box: Single 12" Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

Open Box: Single 12" Sealed Subwoofer Enclosure

12" Ported Subwoofer Enclosure • Black Carpet • Gold Plated Binding Posts • Banana Clip Ready • Made From 3/4" Medium Density Fiberboard

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12" Ported Subwoofer Enclosure • Black Carpet • Gold Plated Binding Posts • Banana Clip Ready • Made From 3/4" Medium Density Fiberboard

12DSPF Dual 12-inch Sub Box

Dual 12" Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

Dual 12" Sealed Subwoofer Enclosure

12" Dual Sealed Subwoofer Enclosure • 1.13 Cubic Feet Each Chamber • 2.26 Cubic Feet Total • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • dark gray Carpet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12" Dual Sealed Subwoofer Enclosure • 1.13 Cubic Feet Each Chamber • 2.26 Cubic Feet Total • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • dark gray Carpet

Ground Shaker KK 2 12-BLACK - Open Box, Very Good Condition Used

12” Dual Sealed Solobaric Hatchback Subwoofer Box

Go to item page Right Arrow Icon of Right Arrow

12” Dual Sealed Solobaric Hatchback Subwoofer Box

• 12” Dual Sealed Solobaric Hatchback Subwoofer Box
• 11/16" Medium Density Fiberboard Construction
• Total box volume: 2.60 cubic feet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• 12” Dual Sealed Solobaric Hatchback Subwoofer Box
• 11/16" Medium Density Fiberboard Construction
• Total box volume: 2.60 cubic feet

10SQTC- Single 10" Sealed MDF Car Sub Box

10-inch Sealed Car Subwoofer Enclosure Made with 3/4" MDF (0.77 cu ft airspace)

Go to item page Right Arrow Icon of Right Arrow

10-inch Sealed Car Subwoofer Enclosure Made with 3/4" MDF (0.77 cu ft airspace)

3/4" Medium Density Fiberboard Construction • Durable Black Carpeting • Gold Speaker Terminals

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3/4" Medium Density Fiberboard Construction • Durable Black Carpeting • Gold Speaker Terminals

Sonic Sub Box: 1SL12-0.7 (BLACK) Open Box

(MINOR IMPERFECTION IN CARPET) Single 12" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

(MINOR IMPERFECTION IN CARPET) Single 12" Sealed MDF Enclosure

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable black carpeting • Gold Terminals • Approx. 0.7 Cubic ft

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable black carpeting • Gold Terminals • Approx. 0.7 Cubic ft

House Brand 10SSPF

Single 10" Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed Subwoofer Enclosure

10" Single Sealed Subwoofer Enclosure • Box Volume: 0.7 Cubic Feet • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • Black Carpet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10" Single Sealed Subwoofer Enclosure • Box Volume: 0.7 Cubic Feet • Gold-Plated Speaker Terminals • Pre-Lined with Poly-Fil • Black Carpet

Ground Shaker SQXL 2 12-BLACK

12” Pro Dual Sealed Extra Large Subwoofer Box

Go to item page Right Arrow Icon of Right Arrow

12” Pro Dual Sealed Extra Large Subwoofer Box

• 12” Pro Dual Sealed Extra Large Subwoofer Box
• 11/16" Medium Density Fiberboard Construction
• Total box volume: 3.35 cubic feet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• 12” Pro Dual Sealed Extra Large Subwoofer Box
• 11/16" Medium Density Fiberboard Construction
• Total box volume: 3.35 cubic feet

Sonic Sub Box: 1SL15-2.0 (Gray)

Single 15" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 15" Sealed MDF Enclosure

Single 15" Sealed MDF Enclosure • Holds one 15" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable Gray Carpeting • Gold Terminals • Internal Box Volume: 1.84 Cubic ft.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Single 15" Sealed MDF Enclosure • Holds one 15" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable Gray Carpeting • Gold Terminals • Internal Box Volume: 1.84 Cubic ft.

Atrend 12KD - Open Box, Very Good Condition Used

12" Dual Sealed Square Subwoofer Enclosure for Kicker L5 and L7 Subwoofers

Go to item page Right Arrow Icon of Right Arrow

12" Dual Sealed Square Subwoofer Enclosure for Kicker L5 and L7 Subwoofers

12" Dual Sealed Square Subwoofer Enclosure for Kicker L5 or L7 Subwoofers • Premium Carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12" Dual Sealed Square Subwoofer Enclosure for Kicker L5 or L7 Subwoofers • Premium Carpeted Finish • Silver Spring Loaded Terminal Cups • Completely Miter and Dado Panels • Glued and Braced with Fasteners

Qpower QAHS10EM

10" Single Sealed Hatchback Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

10" Single Sealed Hatchback Subwoofer Enclosure

• 10" Single Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard Construction
• Total Box Volume: 1.15 Cubic Feet
• Dimensions: 9" TD x 15" BD x 16" W x 14" H

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• 10" Single Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard Construction
• Total Box Volume: 1.15 Cubic Feet
• Dimensions: 9" TD x 15" BD x 16" W x 14" H

Belva 1SL10-0.7-OPEN BOX

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

Go to item page Right Arrow Icon of Right Arrow

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

• 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

Sonic Sub Box: 1SL12-1.4 (GRAY CARPET)

Single 12" Sealed MDF Enclosure

Go to item page Right Arrow Icon of Right Arrow

Single 12" Sealed MDF Enclosure

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable GRAY carpeting • Gold Terminals • Internal Box Volume: 1.48 Cubic ft.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Single 12" Sealed MDF Enclosure • Holds one 12" subwoofer • 3/4 MDF (Medium Density Fiberboard) Construction • Durable GRAY carpeting • Gold Terminals • Internal Box Volume: 1.48 Cubic ft.

Absolute DSS-12 BLACK

Dual 12", 3/4" MDF Sealed Subwoofer Enclosure with Absolute Logo

Go to item page Right Arrow Icon of Right Arrow

Dual 12", 3/4" MDF Sealed Subwoofer Enclosure with Absolute Logo

Dual 12" Sealed Subwoofer Enclosure • 3/4" MDF Construction • 2.8 Total Cubic Feet • Binding Post Terminals • Black Carpet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

Dual 12" Sealed Subwoofer Enclosure • 3/4" MDF Construction • 2.8 Total Cubic Feet • Binding Post Terminals • Black Carpet

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in Discontinued Sealed Subwoofer Boxes


    Sealed Subwoofer Boxes Frequently Asked Questions (FAQ)
    A sealed subwoofer box is a type of subwoofer enclosure that is completely sealed off from the outside air. This type of enclosure is designed to produce tight, accurate bass response.
    There are several benefits to using a sealed subwoofer box. First, sealed subwoofer boxes produce tight, accurate bass response. Second, sealed subwoofer boxes are relatively easy to build and install. Third, sealed subwoofer boxes are relatively inexpensive.
    There are a few drawbacks to using a sealed subwoofer box. First, sealed subwoofer boxes do not produce as much bass output as ported subwoofer boxes. Second, sealed subwoofer boxes can be more difficult to tune than ported subwoofer boxes. Third, sealed subwoofer boxes can be more sensitive to changes in air temperature and humidity.
    When choosing a sealed subwoofer box, you should consider the following factors: The size of your subwoofer The amount of bass you want The space you have available Your budget Your personal preferences
    Installing a sealed subwoofer box is a relatively easy process. Most sealed subwoofer boxes come with instructions, and the installation process should only take a few hours. Here are some additional tips for installing a sealed subwoofer box: Make sure the box is secure and will not move around. Seal any gaps or openings in the box to prevent air leaks. Position the subwoofer in the box so that the cone is facing forward. Connect the subwoofer to your car stereo. Experiment with different settings to find the sound you like.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2003 Chevrolet Astro

    1984 Chrysler Laser

    1989 Dodge Raider

    2013 Subaru BRZ

    2003 Dodge Ram 2500

    2003 GMC Yukon

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

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

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.