Garage
Shop

2000 Audi TT

Universal empty sub box enclosures that fit most vehicles, including your 2000 TT.

Empty Universal-fit Sub Boxes for 2000 Audi TT


Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

Tru Spec 4x6.5SUPB (1553KMB)

Empty Quad 6.5" Vented Prefabricated Enclosure

4x6.5SUPB big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 6.5" Vented Prefabricated Enclosure

• 6.5" Quad Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.50 cubic feet
• High-output XXL enclosure with double flush baffle

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $399.99
-41% $234.99

In stock.

Tru Spec 4X8SUBP (1541YTM)

Empty Quad 8" Vented Prefabricated Enclosure

4x8supb big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 8" Vented Prefabricated Enclosure

• 8" Quad Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 3.50 cubic feet
• Computer-designed CNC cut

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $399.99
-25% $299.99

In stock.

DS18 EBM-FFPUNI-4X8

Empty Quad 8" Vented Enclosure

EBM-FFPUNI-4X8 big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 8" Vented Enclosure

• Empty 8" Quad Ported Subwoofer Enclosure
• 3/4" medium density fiberboard construction with sprayliner finish
• Vented front-firing design enhances sound projection
• Under seat enclosure mounting

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $48.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$479.95

In stock

Only 1 Left!

Atrend 12BB

Empty Quad 12" Front and Top Sealed Subwoofer Enclosure

12BB big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 12" Front and Top Sealed Subwoofer Enclosure

• 12" Quad Sealed Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Two hole at the front and two hole at the top
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 4.6 cubic feet

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $264.99
-37% $165.99

Available

Ships in 10-14 days

• 12" Quad Sealed Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Two hole at the front and two hole at the top
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 4.6 cubic feet

Atrend 12FS

Empty Quad 12" Front and Side Sealed Subwoofer Enclosure

12FS big
Go to item page Right Arrow Icon of Right Arrow

Empty Quad 12" Front and Side Sealed Subwoofer Enclosure

• 12" Quad Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Two hole at the front and two hole at the side
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 6 cubic feet

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $304.99
-16% $254.80

Available

Ships in 10-14 days

Atrend 15BB

Empty Quad 15" Front and Top Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

Empty Quad 15" Front and Top Sealed Subwoofer Enclosure

• 15" Quad Sealed Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Two hole at the front and two hole at the top
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 8.68 cubic feet

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $369.99
-16% $309.40

• 15" Quad Sealed Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Two hole at the front and two hole at the top
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 8.68 cubic feet

    Clear all
    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?
    FAQ for Empty Universal-fit Sub Box Enclosures in 2000 TT

    Q: Can I upgrade or change the Empty Universal-fit Sub Box Enclosures in 2000 Audi TT?

    A: Yes this page includes all the best Empty Universal-fit Sub Box Enclosures that work in your TT.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2000 Audi TT

    1991 Volkswagen Vanagon

    2016 Audi S6

    2005 Chrysler PT Cruiser

    1999 Chevrolet Corvette

    1987 Ford E Series

    2012 Kia Forte

    1992 GMC P3500

    1993 Dodge Shadow

    1981 Cadillac Eldorado

    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.