Garage
Shop

2004 Mazda B3000

Universal loaded and/or powered sub box enclosures that fit most vehicles, including your 2004 B3000.

Universal Sub Boxes (Loaded/Powered) for 2004 Mazda B3000


Loading...
Filters
filter-icon Filters & Sort

Belva BPKG10T

600W MAX 10" Shallow-Mount Angled Amplified Loaded Subwoofer Enclosure

BPKG10T big
Go to item page Right Arrow Icon of Right Arrow

600W MAX 10" Shallow-Mount Angled Amplified Loaded Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 300 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

13
List price $167.99
-32% $114.99

In stock

Used from: $79.99

Hifonics HEW8D4-500P

500W RMS Loaded Single 8" Amplified Vented Enclosure

HEW8D4-500P big
Go to item page Right Arrow Icon of Right Arrow

500W RMS Loaded Single 8" Amplified Vented Enclosure

• 8" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs via RCA
• Wired Remote Bass Level Control

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

VIP Product Get $49.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $539.99
-9% $489.99

Available

Ships in 10-14 days

• 8" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs via RCA
• Wired Remote Bass Level Control

NVX - Worth the Envy - Direct to Consumer Car Audio

Rockford Fosgate P500-12P

1000W Peak (500W RMS) 12” Punch Series Amplified Ported Subwoofer Enclosure

P500-12P big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) 12” Punch Series Amplified Ported Subwoofer Enclosure

• 12" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Wired Remote Bass Level Control

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

VIP Product Get $54.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
$539.99

In stock

• 12" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Wired Remote Bass Level Control

Limited time!

Alpine PWE-S8 8" Amplified Subwoofer

120W Compact Powered 8" Car Subwoofer for Under or Behind the Seat

PWE-S8 big
Go to item page Right Arrow Icon of Right Arrow

120W Compact Powered 8" Car Subwoofer for Under or Behind the Seat

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $34.99 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $480.00
Save $130.06
-27% $349.94

In stock

Used from: $314.95

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

EXCLUSIVE

Belva BPKG112v2

Includes: 600W 12" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

BPKG112v2 big
Go to item page Right Arrow Icon of Right Arrow

Includes: 600W 12" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

• Works with both Factory and Aftermarket Audio Systems
• Single 12" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

50
List price $239.99
-25% $179.99

In stock

Used from: $149.99

• Works with both Factory and Aftermarket Audio Systems
• Single 12" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

Rockford Fosgate Punch P3 P300-12T

600W Peak (300W RMS) Class-D Amplified Single 12" Punch Series Subwoofer Enclosure with Remote Bass Level Control Included

P300-12T big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) Class-D Amplified Single 12" Punch Series Subwoofer Enclosure with Remote Bass Level Control Included

• 12" Truck/Wedge Powered Subwoofer
• Rockford Fosgate Sealed Enclosure
• 300 Watt RMS Class-D Mono Block
• Bass Remote Included
• Low And High level Inputs

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

VIP Product Get $39.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
$389.99

In stock

Used from: $331.49

• 12" Truck/Wedge Powered Subwoofer
• Rockford Fosgate Sealed Enclosure
• 300 Watt RMS Class-D Mono Block
• Bass Remote Included
• Low And High level Inputs

Limited time!

Alpine PWE-S8 8" Amplified Subwoofer (Open Box, Great)

120W Compact Powered 8" Car Subwoofer for Under or Behind the Seat

PWE-S8 big
Go to item page Right Arrow Icon of Right Arrow

120W Compact Powered 8" Car Subwoofer for Under or Behind the Seat

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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 $480.00
-34% $314.95
$283.45 with coupon | Price details

In stock

Only 1 Left!

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Limited time!

Bazooka BTA6250D (Open Box, Good)

250W Peak (120W RMS) Loaded Single 6" Amplified Ported Subwoofer Bass Tube Enclosure with FAST Harnesses

BTA6250D-2 big
Go to item page Right Arrow Icon of Right Arrow

250W Peak (120W RMS) Loaded Single 6" Amplified Ported Subwoofer Bass Tube Enclosure with FAST Harnesses

• 6" Amplified Loaded Subwoofer System
• 120 watts RMS
• Built-In Class D Amplifier
• Speaker-Level Inputs
• RCBM-250D remote control sold separately

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

2
List price $349.99
-34% $229.99
$206.99 with coupon | Price details

In stock

Only 3 Left!

Kicker PL7TDF10 (53PL7TDF10)

1000W Peak (500W RMS) Loaded Single 10" Sealed Amplified Truck Enclosure

53PL7TDF10 big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) Loaded Single 10" Sealed Amplified Truck Enclosure

• 10" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $55.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $599.99
-8% $549.99

In stock

• 10" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

MTX Audio TNP212DV

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

TNP212DV big
Go to item page Right Arrow Icon of Right Arrow

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

• 12" Amplified Loaded Subwoofer System
• 1000 watts RMS
• Includes one MTX Audio TN500.1 amplifier
• Variable bass boost
• Mono preamp output
• EBC wired bass level remote control

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 $549.95
-9% $499.95

In stock

Alpine PWE-SB10

450W Peak (300W RMS) Loaded Single 10" Sealed Amplified Subwoofer Enclosure

PWE-SB10 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (300W RMS) Loaded Single 10" Sealed Amplified Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 300 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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 $450.00
-22% $349.95

In stock

• 10" Amplified Loaded Subwoofer System
• 300 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Wet Sounds STEALTH AS-10

500W Peak Loaded Single 10" Sealed Amplified Marine Subwoofer Enclosure

STEALTH AS-10 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak Loaded Single 10" Sealed Amplified Marine Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 500 watts Peak
• Built-In Class D amplifier
• Variable Bass Boost
• Wired remote bass level controller

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

VIP Product Get $90.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
$899.99

In stock

Used from: $707.93

• 10" Amplified Loaded Subwoofer System
• 500 watts Peak
• Built-In Class D amplifier
• Variable Bass Boost
• Wired remote bass level controller

Kicker HS8 (51HS8)

150W RMS Loaded Single 8" Sealed Subwoofer Enclosure with Built-in Amplifier

51HS8 big
Go to item page Right Arrow Icon of Right Arrow

150W RMS Loaded Single 8" Sealed Subwoofer Enclosure with Built-in Amplifier

• 8" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $33.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

15
List price $359.99
-8% $329.99

In stock

• 8" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Belva BPKG210v2

1000W Package Includes: 2 10" Subs, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

BPKG210v2 big
Go to item page Right Arrow Icon of Right Arrow

1000W Package Includes: 2 10" Subs, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

• Works with both Factory and Aftermarket Audio Systems
• Dual 10" Belva Subwoofers
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

57
List price $299.99
-20% $239.99

In stock

Only 3 Left!

• Works with both Factory and Aftermarket Audio Systems
• Dual 10" Belva Subwoofers
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

Kicker PTRTP12 (51PTRTP12)

Single Loaded (500W RMS) 12" Sealed Down-firing Shallow-mount Amplified Subwoofer Enclosure and Passive radiator

PTRTP12 big
Go to item page Right Arrow Icon of Right Arrow

Single Loaded (500W RMS) 12" Sealed Down-firing Shallow-mount Amplified Subwoofer Enclosure and Passive radiator

• 12" Amplified Loaded Subwoofer System
• 500 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $55.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $599.99
-8% $549.99

In stock

Cerwin-Vega VPAS68

300W Peak (100W RMS) Loaded Single 6x8" Under Seat Powered Subwoofer Enclosure

VPAS68 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (100W RMS) Loaded Single 6x8" Under Seat Powered Subwoofer Enclosure

• Peak Power: 300 watts
• RMS Power: 100 watts
• Impedance: 4 ohm
• Wired remote subwoofer control included
• PWM MOSFET Power Supply

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

VIP Product Get $19.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $215.99
-12% $189.99

In stock

Only 1 Left!

• Peak Power: 300 watts
• RMS Power: 100 watts
• Impedance: 4 ohm
• Wired remote subwoofer control included
• PWM MOSFET Power Supply

Deaf Bonce Machete ML-10A (ML10A)

1000W Peak (250W RMS) Loaded Single 10" Amplified Vented Enclosure

ML-10A big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (250W RMS) Loaded Single 10" Amplified Vented Enclosure

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-in amplifier
• Variable bass boost
• Speaker level inputs
• Wired remote bass level control

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
$249.90

In stock

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-in amplifier
• Variable bass boost
• Speaker level inputs
• Wired remote bass level control

JBL BassPro 12

450W Max Powered 12" Loaded Subwoofer Ported Enclosure System

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

450W Max Powered 12" Loaded Subwoofer Ported Enclosure System

• 12" GT Series Subwoofer
• GT Series Mono block Car Amplifier
• 450W Peak
• 150W RMS
• 12" Single Ported Subwoofer Enclosure
• Variable low-pass filter (40-200 Hz, 24 dB/Octave)

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

VIP Product Get $36.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $379.95
$364.95

In stock

Only 3 Left!

Cerwin-Vega BKX212S

2000W Peak (300W RMS) Loaded Dual 12" Sealed Enclosure with Monoblock Amplifier

BKX212S big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (300W RMS) Loaded Dual 12" Sealed Enclosure with Monoblock Amplifier

• 12" Amplified Loaded Subwoofer System
• 300 watts RMS
• Includes Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12
List price $431.99
-17% $359.99

In stock

• 12" Amplified Loaded Subwoofer System
• 300 watts RMS
• Includes Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

EXCLUSIVE

Belva BPKG110v2

Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

BPKG110v2 big
Go to item page Right Arrow Icon of Right Arrow

Includes: 500W 10" Sub, Ported Box, Mono Amplifier with Bass Knob and Amp Kit

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

50
List price $203.99
-17% $169.99

In stock

Used from: $135.99

• Works with both Factory and Aftermarket Audio Systems
• Single 10" Belva Subwoofer
• Monoblock Amp with Bass Knob
• Ported Enclosure
• Complete Amp Wiring Kit

NVX - Worth the Envy - Direct to Consumer Car Audio

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-fit Loaded Subwoofer Boxes in 2004 B3000

    Q: Can I upgrade or change the Universal-fit Loaded Subwoofer Boxes in 2004 Mazda B3000?

    A: Yes this page includes all the best Universal-fit Loaded Subwoofer Boxes that work in your B3000.

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

    2004 Mazda B3000

    1974 Jeep Cherokee

    1975 Dodge Monaco

    1969 Mercury Comet

    2025 Lexus NX250

    2011 Rolls Royce Ghost

    1981 BMW 733i

    1961 Buick Electra

    2018 Honda Odyssey

    2020 Mazda CX-30

    Vehicle
    Store
    Delete

    1952 Harley Davidson FL

    Vehicle
    Store
    Delete

    2022 Can-Am Defender MAX HD9 XT

    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.