Garage
Shop

Custom-fit Subwoofer Boxes for your 1984 733i

Your Vehicle


Universal fit Icon
Explore universal-fit product options for your 1984 733i
Vehicle-specific solutions are not available in this category.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your BMW 733i (change vehicle)

Additional Categories


You can shop these categories, but we cannot guarantee fit and/or we do not have products that fit your vehicle.

Top sellers

Loading...
Filters
filter-icon Filters & Sort

JL Audio Stealthbox® SB-T-TACDCG3/10TW3

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2012-2015 Tacoma

SB-T-TACDCG3/10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2012-2015 Tacoma

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2012-2015 Tacoma
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Designed to install neatly behind the rear seat
• Hassle-free plug and play installation

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

VIP Product Get $100.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

2
$999.99

In stock

Only 1 Left!

Used from: $849.99

Select Increments XJ-Pod 72625

Empty Single 8" Sealed XJ-Pod Enclosure for select 1984-2001 Cherokee

72625 big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 8" Sealed XJ-Pod Enclosure for select 1984-2001 Cherokee

• 8" Single Sealed XJ-Pod Subwoofer Enclosure for select 1984-2001 Cherokee
• Durable plastic construction
• Total box volume: 0.40 cubic feet
• Pre-cut housing that will accept most 8” subwoofers
• Easily attaches to your vehicle’s factory side panel

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

VIP Product Get $24.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$239.95

In stock.

JL Audio Stealthbox® SBX-F-MAVG1/10TW1

Custom Fit 12" Subwoofer Enclosure for select 2022-2025 Maverick

SBX-F-MAVG1/10TW1 big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit 12" Subwoofer Enclosure for select 2022-2025 Maverick

• Sealed enclosure with 1 10" Stealth Series Subwoofer
• 300 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 5-1/4" L x 16" H x 26-5/8" W

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

VIP Product Get $85.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

1
$849.99

In stock

Only 1 Left!

JL Audio Stealthbox® SBX-F-150-SCDBL/12TW3

Loaded Dual 12" Sealed Fiberglass Enclosure for select 2009-2026 vehicles from Ford

SBX-F-150-SCDBL/12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Loaded Dual 12" Sealed Fiberglass Enclosure for select 2009-2026 vehicles from Ford

• Sealed enclosure with 1 12" TW3 Shallow Mount Series Subwoofer
• 800 watts RMS (1600 watts Peak)
• Final Impedance: 2-ohm
• Includes two JL Audio 12TW3-D8 subwoofers

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

VIP Product Get $220.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$2,199.99

In stock

Only 2 Left!

• Sealed enclosure with 1 12" TW3 Shallow Mount Series Subwoofer
• 800 watts RMS (1600 watts Peak)
• Final Impedance: 2-ohm
• Includes two JL Audio 12TW3-D8 subwoofers

NVX Loaded BOOST Box - 2014-2019 Toyota Corolla - BE-TOYCOR-G11

For select 2014-2019 Corolla - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

BE-TOYCOR-G11 big
Go to item page Right Arrow Icon of Right Arrow

For select 2014-2019 Corolla - Single 10" 500W RMS Loaded BOOST Sealed Enclosure

• Sealed BOOST enclosure with 1 10" N Series Subwoofer
• Fits select 2014-2019 Corolla
• 500 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm

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

VIP Product Get $30.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

2
List price $374.99
-20% $299.98

In stock

Only 1 Left!

SSV Works 240-BR-DS10U

Empty Single 10" Sealed Rear Enclosure for select 2021-2025 Bronco

240-BR-DS10U big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 10" Sealed Rear Enclosure for select 2021-2025 Bronco

• 10" Single Sealed 4-Door Rear Subwoofer Enclosure
• Rotomolded plastic construction
• Total box volume: 6.29 cubic feet
• Includes mounting hardware and accessories

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

No Fit Icon Doesn't fit your 733i

$399.99

In stock.

• 10" Single Sealed 4-Door Rear Subwoofer Enclosure
• Rotomolded plastic construction
• Total box volume: 6.29 cubic feet
• Includes mounting hardware and accessories

JL Audio Stealthbox® SB-F-MUSCPE/12TW3

Custom fit subwoofer enclosure for select 2015-2025 Mustang and Mustang GTD

SB-F-MUSCPE/12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2015-2025 Mustang and Mustang GTD

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 12TW3-D4
• 400 Watts RMS Power Handling
• Stealthbox seamlessly installs in the passenger side rear corner of the trunk

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

VIP Product Get $135.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$1,349.99

In stock

Only 2 Left!

Used from: $1,147.49

Atrend A608-10V

Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

A608-10V big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.76 cubic feet
• Compatible with select 2014-2019 Tundra

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

VIP Product Get $36.14 in rewards to spend later

No Fit Icon Doesn't fit your 733i

List price $419.99
-14% $361.40

In stock

Only 2 Left!

JL Audio Stealthbox® SBX-T-TCMAX3G/12TW3

Custom Fit 12" Subwoofer Enclosure for select 2022-2025 Tundra and Tundra i-Force Max

SBX-T-TCMAX3G/12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit 12" Subwoofer Enclosure for select 2022-2025 Tundra and Tundra i-Force Max

• Sealed enclosure with 1 12" Stealthbox Series Subwoofer
• 400 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 6.5" L x 16" H x 21-1/4" W

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

VIP Product Get $125.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

1
$1,249.99

In stock

Only 2 Left!

JL Audio Stealthbox® SB-F-SUPRCNSL/10W3v3

Custom-Fit Loaded 10" Sealed Truck Enclosure with One 10W3v3-2 Subwoofer for select 1999-2007 F-250 Super Duty and F-350 Super Duty and Excursion with Front Bucket Seats

SB-F-SUPRCNSL/10W3v3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Sealed Truck Enclosure with One 10W3v3-2 Subwoofer for select 1999-2007 F-250 Super Duty and F-350 Super Duty and Excursion with Front Bucket Seats

• Sealed truck enclosure with 1 10" W3 v3 Series Subwoofer
• Designed for select 1999-2007 F-250 Super Duty and F-350 Super Duty and Excursion
• 500 watts RMS Power Rating
• Final Impedance: 2-ohm
• Includes one JL Audio 10W3v3-2 subwoofer
• Installs inside the factory center console

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

VIP Product Get $115.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$1,149.99

In stock

Only 2 Left!

Used from: $977.49

NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-P210 (Open Box, Great)

For select 2019-2024 1500 Crew Cab - Dual 10" 1200W RMS Loaded BOOST Vented Truck Enclosure with LED Lighting

BE-RAM-19CC-P210 big
Go to item page Right Arrow Icon of Right Arrow

For select 2019-2024 1500 Crew Cab - Dual 10" 1200W RMS Loaded BOOST Vented Truck Enclosure with LED Lighting

• Custom Fit Loaded Dual 10" BOOST Vented Truck Enclosure
• Fits select 2019-2024 1500 Crew Cab
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

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

No Fit Icon Doesn't fit your 733i

List price $1749.98
-40% $1,049.99

In stock

Only 1 Left!

• Custom Fit Loaded Dual 10" BOOST Vented Truck Enclosure
• Fits select 2019-2024 1500 Crew Cab
• 600 watts RMS each (1200 watts Peak each)
• Illuminated etched plexiglass with RGB LED lighting
• Final Impedance: 1-ohm

Limited time!

Atrend A622-10CP

Empty Dual 10" Sealed Rear Enclosure for select 2005-2015 Tacoma

A622-10CP big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Sealed Rear Enclosure for select 2005-2015 Tacoma

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.64 cubic feet
• Compatible with select 2005-2015 Tacoma

Flash Sale! Save at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your 733i

2
List price $204.99
-7% $189.99

In stock

Stinger TXJWB12

400W RMS Loaded Single 12" Sealed Swing Gate Enclosure for select 2007-2026 vehicles from Jeep

TXJWB12 big
Go to item page Right Arrow Icon of Right Arrow

400W RMS Loaded Single 12" Sealed Swing Gate Enclosure for select 2007-2026 vehicles from Jeep

• Sealed enclosure with 1 12" Subwoofer
• 400 watts RMS
• Final Impedance: 2-ohm
• Mounts on the vehicle's swing gate
• Dimensions: 28.5" L x 14" H x 6.1" W

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

VIP Product Get $56.90 in rewards to spend later

No Fit Icon Doesn't fit your 733i

4
List price $799.00
-29% $569.00

In stock

JL Audio Stealthbox® SB-GM-C7CP1/10TW3

Custom fit subwoofer enclosure for select 2014-2019 Corvette

SB-GM-C7CP1/10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2014-2019 Corvette

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 10TW3-D4
• 400 Watts RMS
• For 2014-Up Chevrolet C7 Corvette Coupe (Single Driver)
• Stealthbox Installs into driver side hatch storage compartment

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

VIP Product Get $125.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$1,249.99

Available

Ships in 10-14 days

Used from: $1,062.49

JL Audio Stealthbox® SB-F-150-SPRCRW/13TW5v2/BK

Custom fit subwoofer enclosure for select 2009-2025 vehicles from Ford (Black)

SB-F-150-SPRCRW/13TW5v2/BK big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2009-2025 vehicles from Ford (Black)

• Custom Stealthbox Enclosure with One 13TW5v2-2 Subwoofer
• 1200W Max
• 600W RMS
• For 2009-Up Ford-150 SuperCrew
• Installs Under Driver-Side of Rear Bench Seat
• Fiberglass Carpeted Sealed Enclosure

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

VIP Product Get $155.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$1,549.99

In stock

Only 2 Left!

Used from: $1,317.49

NVX Loaded BOOST Box - 2014-2021 Toyota Tundra - LVE-TOY-TUNCCG2-D10S

For select 2014-2021 Tundra - Dual 10" 700W RMS Loaded BOOST Sealed Truck Enclosure

LVE-TOY-TUNCCG2-D10S big
Go to item page Right Arrow Icon of Right Arrow

For select 2014-2021 Tundra - Dual 10" 700W RMS Loaded BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 2 10" S Series Subwoofers
• Compatible with select 2014-2021 Tundra
• 350 watts RMS (700 watts Peak)
• Final Impedance: 1-ohm

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

VIP Product Get $35.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

1
List price $419.99
-17% $349.99

In stock

Only 2 Left!

JL Audio Stealthbox® SB-J-WRUP/10TW1/BK_PASS

Custom fit subwoofer enclosure for select 2007-2018 Wrangler Unlimited and Wrangler Unlimited (JK) for Passenger Side (Black)

SB-J-WRUP/10TW1-4 big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2007-2018 Wrangler Unlimited and Wrangler Unlimited (JK) for Passenger Side (Black)

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 10TW1-4
• 300 Watts RMS Power Handling
• Stealthbox Installs above one rear wheel well

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

VIP Product Get $115.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

2
$1,149.99

In stock

Only 2 Left!

Used from: $977.49

Select Increments Intra-Pod 21576

Empty Single 8" Sealed Intra-Pod Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler

21576 big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 8" Sealed Intra-Pod Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler

• 8" Single Sealed Intra-Pod Subwoofer Enclosure for select 1976-1995 CJ7 and Wrangler and Scrambler
• Durable plastic construction
• Total box volume: 0.53 cubic feet
• Pre-cut housing that will accept most 8” subwoofers
• Heavy-duty metal mesh 8” speaker grille included

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

VIP Product Get $45.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$449.95

In stock.

JL Audio Stealthbox® SB-F-SUPRCC/13TW5v2/BK

Custom fit subwoofer enclosure for select 2008-2016 vehicles from Ford with FlexFold 60/40 split bench rear seat (Black leather)

SB-F-SUPRCC/13TW5v2/BK big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2008-2016 vehicles from Ford with FlexFold 60/40 split bench rear seat (Black leather)

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 13TW5v2-2
• 600 Watts RMS
• For 2004-Up SuperDuty Crew Cab with FlexFold 60/40 split bench rear seat and Black (leather) interior
• Stealthbox Installs under the rear bench seat

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

VIP Product Get $150.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

$1,499.99

In stock

Only 2 Left!

JL Audio Stealthbox® SB-GM-CAM6G/12W6v3

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2016-2024 Camaro

SB-GM-CAM6G/12W6v3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2016-2024 Camaro

• Sealed enclosure with 1 12" W6 v3 Series Subwoofer
• Designed for select 2016-2024 Camaro
• Fits into the driver side, rear corner of the trunk
• 600 watts RMS Power Rating
• Final Impedance: 2-ohm

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

VIP Product Get $155.00 in rewards to spend later

No Fit Icon Doesn't fit your 733i

1
$1,549.99

In stock

Only 1 Left!

Used from: $1,317.49

Items per page: 20

    Clear all

    All About

    Custom-fit Subwoofer Boxes
    Finding custom fit car subwoofers and boxes doesn't have to be a tedious task. We get it, you don't just want to buy a set of speakers or a box that "might fit" your vehicle, you want want that actually gets the job done. Our wide selection of vehicle-specific subwoofer & boxes will have you rockin n rolling in no time.
    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

    2001 Saab 9-5

    2003 Oldsmobile Bravada

    1984 BMW 733i

    2010 Mercedes-Benz E550

    2002 Mitsubishi Galant

    2017 BMW 4 Series

    2009 Chevrolet Express 2500

    2010 Dodge Grand Caravan

    2011 Cadillac Escalade EXT

    1987 Dodge Raider

    Vehicle
    Store
    Delete

    2014 Harley Davidson FLHT Electra Glide Standard

    Vehicle
    Store
    Delete

    2018 Can-Am Commander 1000R DPS

    2013 Can-Am Commander E LSV

    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.