Garage
Shop

2003 Ford Focus

Universal complete subwoofer bass packages include an amp, sub(s), a box and wiring that fits most vehicles, including your 2003 Focus.

Universal Subwoofer Bass Packages for 2003 Ford Focus


Loading...
Filters
filter-icon Filters & Sort

Alpine HDZ-SB12

2400W Peak (800W RMS) Loaded Single 12" Sealed Subwoofer Enclosure

HDZ-SB12 big
Go to item page Right Arrow Icon of Right Arrow

2400W Peak (800W RMS) Loaded Single 12" Sealed Subwoofer Enclosure

• Sealed enclosure with 1 12" Status Series Subwoofer
• 800 watts RMS (2400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 15.75" L x 15.75" H x 17.2" W

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

VIP Product Get $156.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $1870.00
-17% $1,559.95

Available

Ships in 10-14 days

Limited time!

Bazooka BT1214 (Open Box, Good)

250W Peak Loaded Single 10" Non-Amplified Ported Subwoofer Bass Tube Enclosure

BT1214-2 big
Go to item page Right Arrow Icon of Right Arrow

250W Peak Loaded Single 10" Non-Amplified Ported Subwoofer Bass Tube Enclosure

• Ported enclosure with 1 12" Subwoofer
• 250 watts Peak
• Final Impedance: 4-ohm
• Dimensions: 22.5" L x 14.4" H x 12.1" W

10% Off Open Box!
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 $299.99
-17% $249.99
$224.99 with coupon | Price details

In stock

Only 1 Left!

Limited time!

Rockford Fosgate Prime R2 R2-2X10 (Open Box, Great)

2000W Peak (1000W RMS) 10" Prime R2 Series Dual 2-Ohm Sealed Subwoofer Enclosure

R2-2X10 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) 10" Prime R2 Series Dual 2-Ohm Sealed Subwoofer Enclosure

• 1000 watts Dual 10" Sealed Subwoofer Enclosure
• Dual 2 ohm Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 12.5" TD x 7.5" BD x 30.12" W x 12.20" H

10% Off Open Box!
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 $339.99
-30% $237.99
$214.19 with coupon | Price details

In stock

Only 2 Left!

• 1000 watts Dual 10" Sealed Subwoofer Enclosure
• Dual 2 ohm Impedance
• Spring-loaded Terminal Posts
• Enclosure Dimensions: 12.5" TD x 7.5" BD x 30.12" W x 12.20" H

Lowest price in 30 days

NVX NE102S w/ Rockford Fosgate Punch P3 P3D4-10

Dual 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.2 Cu. Ft. with Polyfil and NVX Logo w/10" Punch Series Dual 4-ohm Car Subwoofer

NE102S_P3D410 big
Go to item page Right Arrow Icon of Right Arrow

Dual 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.2 Cu. Ft. with Polyfil and NVX Logo w/10" Punch Series Dual 4-ohm Car Subwoofer

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.20 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

35
List price $623.97
-14% $535.97

In stock

Only 1 Left!

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.20 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

JBL Stage 1200D (Like New (Open Box))

2000W Peak (1000W RMS) Loaded Dual 12" Vented Enclosure

Stage 1200D big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" Stage Series Subwoofer
• 1000 watts RMS (500 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 30-1/8" L x 15" H x 13-11/16" W

10% Off Open Box!
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 $439.95
-19% $356.96
$321.26 with coupon | Price details

In stock

Only 1 Left!

Limited time!

JL Audio CLS113RG-W7AE (Open Box, Great)

One 13" JL Audio 13W7AE-D1.5 Loaded in a Sealed, Rear-Firing Enclosure (Black Carpet)

CLS113RG-W7AE big
Go to item page Right Arrow Icon of Right Arrow

One 13" JL Audio 13W7AE-D1.5 Loaded in a Sealed, Rear-Firing Enclosure (Black Carpet)

• ProWedge 13" W7AE Loaded Sealed Subwoofer Enclosure
• 3000W Peak
• 1500W RMS
• 3 Ohm Final Impedance
• High Grade Black Carpet Finish
• Engraved JL Audio and W7 Logos
• Rear Firing Design
• 10th Anniversary Edition W7 Subwoofer

10% Off Open Box!
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 $2299.99
-30% $1,609.99
$1,448.99 with coupon | Price details

In stock

Only 1 Left!

Limited time!

JBL Stage 1200S (JBLSUBST1200SAM) (Open Box, Great)

1000W Peak (250W RMS) Loaded Single 12" Sealed Shallow Enclosure

Stage 1200S big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (250W RMS) Loaded Single 12" Sealed Shallow Enclosure

• Sealed enclosure with 1 12" Stage Series Subwoofer
• 250 watts RMS (1000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 17.25" L x 14.5" H x 11.5" W

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $229.95
-24% $174.97
$157.47 with coupon | Price details

In stock

Only 3 Left!

Limited time!

Rockford Fosgate Prime R2S-1X12 (Like New (Open Box))

500W Peak, Prime Series Single 12" R2SD4 Subwoofer Loaded Enclosure

R2S-1X12 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak, Prime Series Single 12" R2SD4 Subwoofer Loaded Enclosure

• Peak Power: 500 watts
• RMS Power: 250 watts
• Final Impedance: 2 ohm
• Solid 5/8" MDF Construction
• Complete with high-density black box carpeting

10% Off Open Box!
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 $259.99
-15% $220.99
$198.89 with coupon | Price details

In stock

Only 2 Left!

• Peak Power: 500 watts
• RMS Power: 250 watts
• Final Impedance: 2 ohm
• Solid 5/8" MDF Construction
• Complete with high-density black box carpeting

Limited time!

Bazooka MBT1014 (Open Box, Good)

150W Peak Loaded Single 10" Non-Amplified Ported Subwoofer Bass Tube Enclosure

MBT1014-2 big
Go to item page Right Arrow Icon of Right Arrow

150W Peak Loaded Single 10" Non-Amplified Ported Subwoofer Bass Tube Enclosure

• Ported enclosure with 1 10" BT Series Subwoofer
• 200 watts Peak
• Final Impedance: 4-ohm
• Dimensions: 20.75" L x 12.2" H x 10.3" W

10% Off Open Box!
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 $249.99
-28% $179.99
$161.99 with coupon | Price details

In stock

Only 1 Left!

• Ported enclosure with 1 10" BT Series Subwoofer
• 200 watts Peak
• Final Impedance: 4-ohm
• Dimensions: 20.75" L x 12.2" H x 10.3" W

Limited time!

Belva BLB112LED (Open Box, Good)

12" Single 750W Loaded Ported Car Subwoofer with Multi-Color LED and Remote

BLB112LED big
Go to item page Right Arrow Icon of Right Arrow

12" Single 750W Loaded Ported Car Subwoofer with Multi-Color LED and Remote

• 750W Single 12" Ported Subwoofer Enclosure w/ Multi-Color LED and Remote
• RMS: 300W
• 4 ohm impedance
• Ported enclosure with black carpet and embroidered Belva logo
• Angled-back ported enclosure

10% Off Open Box!
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 $199.99
-67% $65.99
$59.39 with coupon | Price details

In stock

Only 1 Left!

• 750W Single 12" Ported Subwoofer Enclosure w/ Multi-Color LED and Remote
• RMS: 300W
• 4 ohm impedance
• Ported enclosure with black carpet and embroidered Belva logo
• Angled-back ported enclosure

JL Audio 10W0v3-4 Subwoofer + 50% off MDFS10 Sealed Box

300W RMS 10" W0v3 Series Single 4-Ohm Subwoofer with Sealed Enclosure

MDFS10,10W0v3-4 big
Go to item page Right Arrow Icon of Right Arrow

300W RMS 10" W0v3 Series Single 4-Ohm Subwoofer with Sealed Enclosure

• Sensitivity: 84.07 dB
• Mounting depth: 4.90 "
• Mineral-Filled Polypropylene Cone
• Large Roll Surround
• Elevated Frame Cooling
• DMA Optimized Motor System
• Metallic Silver Frame Finish • 10" Sealed Enclosure
• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

197
List price $239.98
-35% $155.92

In stock

• Sensitivity: 84.07 dB
• Mounting depth: 4.90 "
• Mineral-Filled Polypropylene Cone
• Large Roll Surround
• Elevated Frame Cooling
• DMA Optimized Motor System
• Metallic Silver Frame Finish • 10" Sealed Enclosure
• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil

Limited time!

Belva BLB112LED (Open Box, Great)

12" Single 750W Loaded Ported Car Subwoofer with Multi-Color LED and Remote

BLB112LED big
Go to item page Right Arrow Icon of Right Arrow

12" Single 750W Loaded Ported Car Subwoofer with Multi-Color LED and Remote

• 750W Single 12" Ported Subwoofer Enclosure w/ Multi-Color LED and Remote
• RMS: 300W
• 4 ohm impedance
• Ported enclosure with black carpet and embroidered Belva logo
• Angled-back ported enclosure

10% Off Open Box!
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 $199.99
-60% $79.99
$71.99 with coupon | Price details

In stock

• 750W Single 12" Ported Subwoofer Enclosure w/ Multi-Color LED and Remote
• RMS: 300W
• 4 ohm impedance
• Ported enclosure with black carpet and embroidered Belva logo
• Angled-back ported enclosure

Lowest price in 30 days

NVX NE82P w/ Alpine S2-W8D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/8" S-Series Dual 4-ohms Car Subwoofer

NE82P_S2W8D4 big
Go to item page Right Arrow Icon of Right Arrow

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/8" S-Series Dual 4-ohms Car Subwoofer

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $631.99
-29% $447.89

In stock

Only 3 Left!

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE81P w/ Sundown Audio XV38D4

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

NE81P_XV38D4 big
Go to item page Right Arrow Icon of Right Arrow

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $557.98
-19% $449.98

In stock

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE81P w/ Sundown Audio XV38D2

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

NE81P_XV38D2 big
Go to item page Right Arrow Icon of Right Arrow

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $557.98
-19% $449.98

In stock

Only 2 Left!

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

NVX NE82S w/ Alpine R2-W8D4

Dual 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.80 Cu. Ft. with Polyfil and NVX Logo w/8" R2-Series Dual 4-ohm Car Subwoofer

NE82S_R2W8D4 big
Go to item page Right Arrow Icon of Right Arrow

Dual 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.80 Cu. Ft. with Polyfil and NVX Logo w/8" R2-Series Dual 4-ohm Car Subwoofer

• 8" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .80 cubic feet
• Premium Black Carpet with Black NVX Logo

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 $815.99
-33% $543.89

In stock

Only 2 Left!

• 8" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .80 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

NVX NE82S w/ Alpine R2-W8D2

Dual 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.80 Cu. Ft. with Polyfil and NVX Logo w/8" R2-Series Dual 2-ohm Car Subwoofer

NE82S_R2W8D2 big
Go to item page Right Arrow Icon of Right Arrow

Dual 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.80 Cu. Ft. with Polyfil and NVX Logo w/8" R2-Series Dual 2-ohm Car Subwoofer

• 8" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .80 cubic feet
• Premium Black Carpet with Black NVX Logo

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 $815.99
-33% $543.89

In stock

Only 2 Left!

• 8" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .80 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE102P w/ Rockford Fosgate Prime R2 R2SD4-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 4-ohm Shallow Car Subwoofer

NE102P_R2SD410 big
Go to item page Right Arrow Icon of Right Arrow

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 4-ohm Shallow Car Subwoofer

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

37
List price $475.97
-5% $449.97

In stock

Only 3 Left!

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE82P w/Sundown Audio E V.6 8" D2

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/300W RMS 8" E Series Dual 2-ohm Subwoofer

NE82P_EV68D2 big
Go to item page Right Arrow Icon of Right Arrow

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/300W RMS 8" E Series Dual 2-ohm Subwoofer

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $539.97
-16% $451.97

In stock

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

Rockford Fosgate Punch P3-2X12 (Open Box, Great)

2400W Dual 12" Punch P3 Series Loaded Subwoofer Enclosure

P3-2X12 big
Go to item page Right Arrow Icon of Right Arrow

2400W Dual 12" Punch P3 Series Loaded Subwoofer Enclosure

• Dual Punch P3 12" Loaded Subwoofer Enclosure
• 2400W Peak
• 1200W RMS
• Constructed with Durable 5/8" MDF
• High Current Binding Posts
• Durable Black Carpet Covering
• Computer Optimized Design
• 1 Ohm Final Impedance

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

40
List price $947.99
-36% $603.49

In stock

Items per page: 20 40 60

    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 Universal Subwoofer Bass Packages in 2003 Focus

    Q: Can I upgrade or change the Universal Subwoofer Bass Packages in 2003 Ford Focus?

    A: Yes this page includes all the best Universal Subwoofer Bass Packages that work in your Focus.

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

    2003 Ford Focus

    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.