Garage
Shop

Custom-fit Subwoofer Boxes for your 2004 RSX

Your Vehicle


Universal fit Icon
Explore universal-fit product options for your 2004 RSX
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 Acura RSX (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-F-SUPRCC/13TW5v2/TN

Custom fit subwoofer enclosure for select 2004-2016 vehicles from Ford with FlexFold 60/40 split bench rear seat (Camel)

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

Custom fit subwoofer enclosure for select 2004-2016 vehicles from Ford with FlexFold 60/40 split bench rear seat (Camel)

• 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 Camel 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 RSX

$1,499.99

In stock

Only 1 Left!

Used from: $1,274.99

JL Audio Stealthbox® SB-T-TUNDCMAX/13TW5v2

Custom fit subwoofer enclosure for select 2007-2013 Tundra

SB-T-TUNDCMAX/13TW5v2 big
Go to item page Right Arrow Icon of Right Arrow

Custom fit subwoofer enclosure for select 2007-2013 Tundra

• Loaded Vehicle Specific Stealthbox Subwoofer Enclosure with Single JL Audio 12W3v3-4
• 600 Watts RMS
• For 2007-2013 Toyota Tundra CrewMax
• Stealthbox Installs behind the rear bench

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

VIP Product Get $145.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$1,449.99

In stock

Only 1 Left!

Used from: $1,449.99

JL Audio Stealthbox® SB-J-JL4DDRV/10TW1-4

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL) (Driver Side, 4-ohm)

SB-J-JL4DDRV/10TW1-4 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL) (Driver Side, 4-ohm)

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2018-2026 Wrangler Unlimited 4xe and Wrangler Unlimited (JL)
• 300 watts RMS Power Rating
• Final Impedance: 4-ohm
• Designed to be installed neatly on the driver side
• Hassle-free plug and play installation

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 RSX

$1,349.99

In stock

Only 3 Left!

Used from: $1,147.49

Kicker 51K5RDL7T102

1000W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2002-2024 vehicles from Ram, Dodge

51K5RDL7T102 big
Go to item page Right Arrow Icon of Right Arrow

1000W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2002-2024 vehicles from Ram, Dodge

• Sealed truck enclosure with 2 10" L7T Series Subwoofer
• 1000 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 58-7/16" L x 7-9/16" H x 16-7/16" 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 RSX

List price $949.99
-11% $849.99

In stock

Only 2 Left!

• Sealed truck enclosure with 2 10" L7T Series Subwoofer
• 1000 watts RMS
• Final Impedance: 2-ohm
• Dimensions: 58-7/16" L x 7-9/16" H x 16-7/16" W

JL Audio Stealthbox® SB-F-F150SPRCB/10TW3

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2015-2025 vehicles from Ford

SB-F-F150SPRCB/10TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2015-2025 vehicles from Ford

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2015-2025 vehicles from Ford
• 400 watts RMS Power Rating
• Final Impedance: 2-ohm
• Designed to install neatly under the rear bench 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 $135.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$1,349.99

In stock

Only 1 Left!

Used from: $1,147.49

AudioControl TX-JTD8

1000W RMS Loaded Dual 8" Vented Enclosure for select 2020-2024 Gladiator

TXJ-TD8 big
Go to item page Right Arrow Icon of Right Arrow

1000W RMS Loaded Dual 8" Vented Enclosure for select 2020-2024 Gladiator

• Ported under seat enclosure with 2 8" Subwoofer
• Compatible with select 2020-2024 Gladiator
• 1000 watts RMS pair / 500 watts RMS each
• Final Impedance: 4-ohm
• Dimensions: 48" L x 7.5" H x 10.5" W

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

VIP Product Get $84.90 in rewards to spend later

No Fit Icon Doesn't fit your RSX

List price $999.00
-15% $849.00

In stock

Atrend A201-10CPV

Empty Single 10" Vented Underseat Truck Enclosure for select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

A201-10CPV big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 10" Vented Underseat Truck Enclosure for select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

• 10" Single Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 2.3 cubic feet
• Compatible with select 2002-2018 Ram 1500 / 3500 / 2500 and 1500

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

VIP Product Get $20.54 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$205.40

Available

Ships in 10-14 days

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

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

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

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

• 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 $140.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$1,399.99

In stock

Only 1 Left!

Used from: $1,202.80

• 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

Kicker KGMDL7T12 Sub Enclosure + CXA1200.1 Amp w/ Free Amp Install Kit

Kicker 1200W RMS Dual 12" Sealed Truck Enclosure, 1200W RMS Class D Amplifier, Wired Bass Remote, NVX 4 Gauge OFC Wiring Kit, and Koozies + Bundle

51KGM_46CX_ARCT_XK4_NK_49K big
Go to item page Right Arrow Icon of Right Arrow

Kicker 1200W RMS Dual 12" Sealed Truck Enclosure, 1200W RMS Class D Amplifier, Wired Bass Remote, NVX 4 Gauge OFC Wiring Kit, and Koozies + Bundle

  • Kicker 1200W RMS Loaded Dual 12-Inch Sealed Truck Enclosure
  • 1200W RMS Class D CX-Series Monoblock Amplifier
  • Wired Bass Remote Controller for CX Series Amplifiers
  • NVX 4 Gauge 100% OFC Complete 2-Channel Amplifier Wiring Kit with RCA
  • Accessories include Premium Polyurethane Foam and Can Insulator Sleeve Koozies
shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your RSX

157
List price $1680.93
-17% $1,390.01

In stock

  • Kicker 1200W RMS Loaded Dual 12-Inch Sealed Truck Enclosure
  • 1200W RMS Class D CX-Series Monoblock Amplifier
  • Wired Bass Remote Controller for CX Series Amplifiers
  • NVX 4 Gauge 100% OFC Complete 2-Channel Amplifier Wiring Kit with RCA
  • Accessories include Premium Polyurethane Foam and Can Insulator Sleeve Koozies
Limited time!

NVX Empty BOOST Box - 2014-2019 Toyota Corolla - UBE-TOY-COR-G11

For select 2014-2019 Corolla - Single 10" Empty BOOST Sealed Enclosure

UBE-TOY-COR-G11 big
Go to item page Right Arrow Icon of Right Arrow

For select 2014-2019 Corolla - Single 10" Empty BOOST Sealed Enclosure

• Custom Fit Empty Single 10" BOOST Sealed Enclosure
• Compatible with select 2014-2019 Corolla
• Made with hand-laid fiberglass shell covered in Carpet
• Total box volume: 0.52 cubic feet

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your RSX

List price $239.99
-17% $199.99

In stock

Limited time!

NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-S212

For select 2019-2024 1500 Crew Cab - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

BE-RAM-19CC-S212 big
Go to item page Right Arrow Icon of Right Arrow

For select 2019-2024 1500 Crew Cab - Dual 12" 1200W RMS Loaded BOOST Sealed Truck Enclosure with LED Lighting

• Custom Fit Loaded Dual 12" BOOST Sealed 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

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $160.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

List price $1849.98
-14% $1,599.99

In stock

Only 1 Left!

Limited time!

NVX BOOST Box - 2008-2013 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVECG2-D10S

For select 2008-2013 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD Extended Cab - Dual 10" 700W RMS Loaded BOOST Sealed Truck Enclosure

LVE-GM-SLVECG2-D10S big
Go to item page Right Arrow Icon of Right Arrow

For select 2008-2013 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD Extended Cab - Dual 10" 700W RMS Loaded BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 2 10" S Series Subwoofers
• Compatible with select 2008-2013 Sierra 1500 / 2500 HD / 3500 HD and Silverado 1500 / 3500 HD / 2500 HD
• 350 watts RMS (700 watts Peak)
• Final Impedance: 1-ohm

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $34.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

List price $419.99
-19% $339.99

In stock

Only 2 Left!

NVX BE-GM-VETC6 BOOST Box (Open Box, Great)

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2006-2013 C6 Chevy Corvette Coupe

BE-GM-VETC6 big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit 500W RMS 10" Loaded BOOST Subwoofer Enclosure for 2006-2013 C6 Chevy Corvette Coupe

• Custom enclosure for 2006-2013 C6 Chevy Corvette Coupe
• Custom Hand-laid sealed fiberglass enclosure
• 10" Dual 4 Ohm SMW10D4 S-Series Subwoofer
• Fits In the Storage Cubby On the Left Side of the Trunk

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

No Fit Icon Doesn't fit your RSX

2
List price $799.99
-55% $359.99

In stock

Only 1 Left!

Limited time!

NVX Loaded BOOST Box - 2019-2024 Ram 1500 Crew Cab - BE-RAM-19CC-P210

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

Purchase $400 or More of NVX and Save 15%!
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 RSX

List price $1749.98
-14% $1,499.99

In stock

Only 1 Left!

Used from: $1,049.99

JL Audio Stealthbox® SB-F-EXPED4G/10TW1

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2024 Expedition and Expedition Max

SB-F-EXPED4G/10TW1 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 10" Subwoofer Enclosure for select 2018-2024 Expedition and Expedition Max

• Sealed enclosure with 1 10" Stealthbox Series Subwoofer
• Designed for select 2018-2024 Expedition and Expedition Max
• 300 watts RMS Power Rating
• Final Impedance: 2-ohm
• Fits discretely behind the factory cargo area trim
• Hassle-free plug and play installation

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

VIP Product Get $145.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$1,449.99

Available

Ships in 10-14 days

Limited time!

NVX BOOST Box - 2008-2013 Chevrolet Silverado, GMC Sierra - LVE-GM-SLVECG2-S12S

For select 2008-2013 Silverado 1500 and Sierra 1500 Extended Cab - Single 12" 400W RMS Loaded Down Firing BOOST Sealed Truck Enclosure

LVE-GM-SLVECG2-S12S big
Go to item page Right Arrow Icon of Right Arrow

For select 2008-2013 Silverado 1500 and Sierra 1500 Extended Cab - Single 12" 400W RMS Loaded Down Firing BOOST Sealed Truck Enclosure

• Custom-Fit BOOST Sealed truck enclosure with 1 12" S Series Subwoofer
• Compatible with select 2008-2013 Silverado 1500 and Sierra 1500
• 400 watts RMS (800 watts Peak)
• Final Impedance: 2-ohm

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

No Fit Icon Doesn't fit your RSX

List price $263.99
-20% $209.99

In stock

Diamond Audio VSP8SMBL

Mercedes Benz® Specific 8″ Subwoofer Speakers (Left)

VSP8SMBL big
Go to item page Right Arrow Icon of Right Arrow

Mercedes Benz® Specific 8″ Subwoofer Speakers (Left)

• Peak Power: 200 W
• RMS Power: 100 W
• Cone Material Glass Fiber

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

VIP Product Get $41.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

$409.99

In stock

Limited time!

JL Audio Stealthbox® SBX-J-JL4D24/12TW3

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2024-2026 Wrangler Unlimited

SBX-J-JL4D24/12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2024-2026 Wrangler Unlimited

• Sealed enclosure with 1 12" Stealthbox Series Subwoofer
• Designed for select 2024-2026 Wrangler Unlimited
• 400 watts RMS Power Handling
• Final Impedance: 2-ohm

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

VIP Product Get $120.00 in rewards to spend later

No Fit Icon Doesn't fit your RSX

List price $1499.99
Save $300.00
-20% $1,199.99

In stock

Only 1 Left!

• Sealed enclosure with 1 12" Stealthbox Series Subwoofer
• Designed for select 2024-2026 Wrangler Unlimited
• 400 watts RMS Power Handling
• Final Impedance: 2-ohm

Atrend A341-10

Empty Single 10" Sealed Rear Underseat Enclosure for select 2009-2025 vehicles from Ford

A341-10 big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 10" Sealed Rear Underseat Enclosure for select 2009-2025 vehicles from Ford

• 10" Single Sealed Subwoofer Enclosure for select 2009-2025 vehicles from Ford
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.80 cubic feet
• Compatible with select 2009-2025 vehicles from Ford

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

No Fit Icon Doesn't fit your RSX

$145.99

In stock

Only 3 Left!

JL Audio Stealthbox® Stealthbox® SB-TE-3G1-10TW1

Custom-fit subwoofer enclosure for select 2021-2024 Model 3

SB-TE-3G1/10TW1 big
Go to item page Right Arrow Icon of Right Arrow

Custom-fit subwoofer enclosure for select 2021-2024 Model 3

• Loaded Vehicle Specific Stealthbox Enclosure with Single JL Audio 10TW1 Subwoofer
• 300 Watts RMS Power Handling
• Installs under the rear deck

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 RSX

$1,349.99

In stock

Only 1 Left!

Used from: $985.49

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

    2004 Acura RSX

    2013 Kia Sedona

    2025 Infiniti QX50

    2005 Honda S2000

    2009 Mazda CX-7

    1975 Volkswagen Beetle

    2012 Mercedes-Benz M-Class

    2021 Tesla Model 3

    1996 Ford Contour

    1975 Ford Granada

    Vehicle
    Store
    Delete

    2012 Harley Davidson FXDF Fat Bob

    2002 Harley Davidson FXD Dyna Super Glide

    Vehicle
    Store
    Delete

    2023 Can-Am Defender

    2015 Can-Am Commander 1000 XT-P

    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.