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Car Subwoofers with a Box (Loaded Sub Boxes) for your 2001 Altima

Save time and money by purchasing a sub and box together. We carry enclosed sub boxes with a single subwoofer, as well as enclosures with 2 subs or more. Additionally, we have complete packages that also include a power amplifier and amp kit.

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NVX NE121P w/ Kicker 50CVX124 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 4-ohms Subwoofer

NE121P_50CVX124 big
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Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 4-ohms Subwoofer

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

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5
List price $469.98
$456.94

In stock

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

Kicker L7S122 with Ported Enclosure

1500W Peak (750W RMS) 12” LS7 Series Solo-Baric Dual 2 ohm Square Subwoofer

12SQKV, 44L7S122 big
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1500W Peak (750W RMS) 12” LS7 Series Solo-Baric Dual 2 ohm Square Subwoofer

• Peak Power: 1,500 watts
• RMS Power: 750 watts
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Impedance: Dual 2 ohm
• Includes Ported Enclosure

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11
List price $539.98
-32% $367.71

In stock

Lowest price in 30 days

NVX QB12SPA Amplified Subwoofer Enclosure and XKIT82 Amp Kit

1200W Single 12" Amplified Subwoofer Enclosure with Bass Knob and 8 Gauge 100% OFC Complete 2-Channel Amplifier Wiring Kit with RCA

QB12SPA_XKIT82 big
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1200W Single 12" Amplified Subwoofer Enclosure with Bass Knob and 8 Gauge 100% OFC Complete 2-Channel Amplifier Wiring Kit with RCA

  • NVX QB12SPA 1200W Max Single 12-Inch Amplified Subwoofer Enclosure
  • Integrated 350W RMS Class D Amplifier with Ported Design
  • Includes Wired Remote Bass Knob for Easy Level Control
  • Full Spec 8 Gauge 100% Oxygen Free Copper Wiring Kit
  • Complete 2-Channel Installation Hardware with RCA Cables
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60
List price $791.94
-29% $559.96

In stock

  • NVX QB12SPA 1200W Max Single 12-Inch Amplified Subwoofer Enclosure
  • Integrated 350W RMS Class D Amplifier with Ported Design
  • Includes Wired Remote Bass Knob for Easy Level Control
  • Full Spec 8 Gauge 100% Oxygen Free Copper Wiring Kit
  • Complete 2-Channel Installation Hardware with RCA Cables
EXCLUSIVE
BB1D,BPKG212v2 big
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1200 Watt Complete Car Audio Bass Package

• Includes Everything You Need: Subs, Box, Amp & Wires
• Dual 12" Belva Subwoofers
• Monoblock Amp
• Ported Enclosure
• Complete Amp Kit w/ RCAs

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164
List price $403.98
-23% $309.94

In stock

• Includes Everything You Need: Subs, Box, Amp & Wires
• Dual 12" Belva Subwoofers
• Monoblock Amp
• Ported Enclosure
• Complete Amp Kit w/ RCAs

(2) MTX 3510-04S 10" Shallow Subwoofers + Kicker Amplifier + Free Amp kit

600W Max (300W RMS) 10" 35 Series 4 ohm Shallow Mount Car Subwoofer Package

(2) 3510-04S,BAK42BK,46CXA8001T big
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600W Max (300W RMS) 10" 35 Series 4 ohm Shallow Mount Car Subwoofer Package

• 600W Max
• 300W RMS
• Slim Profile for Mounting In Tight Spaces
• Inverted Apex Surround
• Horizontal Spring-Loaded Terminals
• Sensitivity: 83.7dB

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82
List price $669.88
-7% $624.38

In stock

Only 3 Left!

• 600W Max
• 300W RMS
• Slim Profile for Mounting In Tight Spaces
• Inverted Apex Surround
• Horizontal Spring-Loaded Terminals
• Sensitivity: 83.7dB

JBL STAGE1200D + NVX VAD10001 Amplifier + NVX 4 Gauge Amp Kit

Stage Series Dual 12" Car Audio Ported Enclosure + NVX Amp and Amp Kit

JBLSUBST1200DAM, VAD10001, XKIT42 big
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Stage Series Dual 12" Car Audio Ported Enclosure + NVX Amp and Amp Kit

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
•Vented enclosure with 5/8" MDF covered with black carpet
• Enclosure Dimensions: 10.63" TD x 13.75" BD x 30.13" W x 15.13" H

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164
List price $811.93
-21% $640.03

In stock

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
•Vented enclosure with 5/8" MDF covered with black carpet
• Enclosure Dimensions: 10.63" TD x 13.75" BD x 30.13" W x 15.13" H

Rockford Fosgate R2-500X1 with R2-2X12

Prime Series Class-D Monoblock Amplifier with Dual 2 Ohm 12" Sealed Loaded Enclosure

R2-500X1, R2-2X12 big
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Prime Series Class-D Monoblock Amplifier with Dual 2 Ohm 12" Sealed Loaded Enclosure

• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Top Mounted Control Panel Class-D Amplifier
• Covered with High Density Carpet
• Dimensions: 14.37" H x 17.72" W x 12.51" D

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13
$679.98

In stock

Only 3 Left!

• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Top Mounted Control Panel Class-D Amplifier
• Covered with High Density Carpet
• Dimensions: 14.37" H x 17.72" W x 12.51" D

DS18 IXS10.4D with Sealed Truck Enclosure

1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

IXS10.4D, 10TK big
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1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Paper Cone
• Rubber Surround
• Impedance: Dual 4 ohm
• Includes Sealed Truck Enclosure

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4
List price $339.94
-14% $292.81

In stock

Tru Spec Dual 10SUBP with 2 Sundown Audio SA-10s

Dual 10" Prefabricated Vented Enclosure with 2000W Peak (1000W RMS) 10" SA Classic Series Dual 4-ohm Car Subwoofer (SW-SACL10D4)

DUAL10SUPB_2X_SACL10D4 big
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Dual 10" Prefabricated Vented Enclosure with 2000W Peak (1000W RMS) 10" SA Classic Series Dual 4-ohm Car Subwoofer (SW-SACL10D4)

•10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.50 cubic feet
• Computer-designed CNC cut

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1
List price $1167.97
-25% $874.97

In stock

Only 2 Left!

•10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.50 cubic feet
• Computer-designed CNC cut

Lowest price in 30 days

Kicker L7S124 with Ported Enclosure

1,500W Peak (750W RMS) 12” L7S Series Solo-Baric Dual 4 Ohm Square Subwoofer

XWS0820,12SQKV,44L7S124 big
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1,500W Peak (750W RMS) 12” L7S Series Solo-Baric Dual 4 Ohm Square Subwoofer

• Peak Power: 1,500 watts
• RMS Power: 750 watts
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Impedance: Dual 4 ohm
• Includes Ported Enclosure

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56
List price $604.97
-31% $417.70

In stock

• Peak Power: 1,500 watts
• RMS Power: 750 watts
• Injection Molded Polypropylene Cone
• Santoprene Rubber Surround
• Impedance: Dual 4 ohm
• Includes Ported Enclosure

JBL SUBBP12AM + Free NVX Sound Dampening Kit

450W Max Powered 12" Loaded Subwoofer Ported Enclosure System

SUBBP12AM, SDRF20 big
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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)

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22
List price $503.94
-14% $434.99

In stock

JBL SUBBP12AM + NVX Sound Dampening + Amp Kit

450W Max Powered 12" Loaded Subwoofer Ported Enclosure System

SUBBP12AM, SDRF20, BAK82 big
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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)

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119
List price $553.93
-21% $434.94

In stock

• 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)

JBL Stage 1200D + JBL Club A600 (AMPCBA600AM)

1200W Peak (600W RMS) Stage Series Dual 12" Car Audio Ported Enclosure Package

Stage 1200D, Club A600 big
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1200W Peak (600W RMS) Stage Series Dual 12" Car Audio Ported Enclosure Package

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
•Vented enclosure with 5/8" MDF covered with black carpet
• Includes Sealed Dual Enclosure

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2
List price $809.90
-9% $739.90

In stock

• 600W Dual 12" Vented Subwoofer Enclosure
• 12" Stage Series Subwoofers
•Vented enclosure with 5/8" MDF covered with black carpet
• Includes Sealed Dual Enclosure

NVX NE82P w/ Sundown Audio XV38D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

NE82P_XV38D4 big
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Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 800W RMS 8" X Series V3 Dual 2-ohm 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

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1
List price $1067.97
-16% $891.97

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

Tru Spec Dual 10SUBP with 2x Sundown Audio SA-10

Dual 10" Prefabricated Vented Enclosure with 2000W Peak (1000W RMS) 10" SA Classic Series Dual 2-ohm Car Subwoofer (SW-SACL10D2)

DUAL10SUPB_2X_SACL10D2 big
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Dual 10" Prefabricated Vented Enclosure with 2000W Peak (1000W RMS) 10" SA Classic Series Dual 2-ohm Car Subwoofer (SW-SACL10D2)

•10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.50 cubic feet
• Computer-designed CNC cut

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List price $1167.97
-25% $874.97

In stock

Only 1 Left!

•10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.50 cubic feet
• Computer-designed CNC cut

EXCLUSIVE
BB1D,BPKG210v2 big
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1000 Watt Complete Car Audio Bass Package

• Includes Everything You Need: Subs, Box, Amp & Wires
• Dual 10" Belva Subwoofers
• Monoblock Amp
• Ported Enclosure
• Complete Amp Kit w/ RCAs

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112
List price $379.98
-31% $264.07

In stock

• Includes Everything You Need: Subs, Box, Amp & Wires
• Dual 10" Belva Subwoofers
• Monoblock Amp
• Ported Enclosure
• Complete Amp Kit w/ RCAs

Rockford Fosgate Power T1D410 + Free 10" Enclosure and Speaker Wire

600W 10" Power T1 Series Dual 4 ohm Subwoofer

T1D410, MDFS10, BBSW127 big
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600W 10" Power T1 Series Dual 4 ohm Subwoofer

• 1200W Peak
• 600W RMS
• High Excursion TPE (Thermo-Plastic Elastomer) Surround
• SWIFT Impedance Selection
• Dual Opposing Spiders
• Parabolic Triangular Cone Geometry

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170
List price $594.97
-20% $476.99

In stock

Lowest price in 30 days

NVX NE122S w/ Kicker CWRT122 (48CWRT122) (Sold Individually)

Dual 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.0 Cu. Ft. with Polyfil and NVX Logo w/ 1000W Peak 12” CompRT Series Dual 2-ohm Shallow Subwoofer

NE122S_48CWRT122 big
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Dual 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.0 Cu. Ft. with Polyfil and NVX Logo w/ 1000W Peak 12” CompRT Series Dual 2-ohm Shallow Subwoofer

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

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7
List price $715.97
-30% $503.91

In stock

Only 3 Left!

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

NVX NE102S w/ Alpine S2-W10D2

Dual 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.2 Cu. Ft. with Polyfil and NVX Logo w/ 10" S-Series Dual 2-ohm Car Subwoofer

NE102S_S2W10D2 big
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Dual 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.2 Cu. Ft. with Polyfil and NVX Logo w/ 10" S-Series Dual 2-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

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List price $723.99
-30% $503.89

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

MTX Magnum MB210SP 10" 1200W Subwoofer System w/ Amp Kit + Digital Capacitor

1200W Dual 10" Loaded & Ported Subwoofer Enclosure with Monoblock Subwoofer Amplifier Included Package

BB2D,BAK82,MB210SP big
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1200W Dual 10" Loaded & Ported Subwoofer Enclosure with Monoblock Subwoofer Amplifier Included Package

• 800W Peak
• Polymer coated pulp cone
• Foam surround
• 4 Ohm
• Magna Bass Mono Amplifier
• 5/8" MDF construction

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198
List price $439.93
-24% $333.99

In stock

• 800W Peak
• Polymer coated pulp cone
• Foam surround
• 4 Ohm
• Magna Bass Mono Amplifier
• 5/8" MDF construction

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    All About

    Car Subwoofers with a Box (Loaded Sub Boxes)
    Information about Enclosures loaded with Subwoofers: We carry both non-amplified and amplified boxes loaded with subs. Amplified subwoofer enclosure boxes include an amplifier specifically designed for a subwoofer and vice versa. Either way, you save plenty of trunk space with these combo packages, especially if you buy angled enclosures loaded with subs. These boxes allow you to squeeze subs behind your vehicle's seats. You can also buy vehicle specific subwoofer boxes loaded with subs such as our JL Audio Stealthboxes or our MTX ThunderForm enclosures. These custom built subwoofer boxes are designed to match your vehicle's dimensions and interior.
    Car Subwoofers with an Enclosure or Box Frequently Asked Questions (FAQ)
    A car subwoofer with an enclosure, also known as a subwoofer box, is a complete package that includes both the subwoofer driver and a specially designed enclosure. The enclosure serves as a housing for the subwoofer, providing it with the necessary air space and acoustic environment to operate efficiently and produce optimal bass performance. Purchasing a subwoofer with an enclosure ensures that the subwoofer is matched to the correct enclosure type, whether it's sealed, ported, or bandpass, for the best sound quality and bass response. Additionally, using an enclosure prevents the subwoofer from interfering with other vehicle components and protects it from damage. A car subwoofer with an enclosure simplifies the installation process and guarantees a well-matched audio setup for an immersive and enjoyable bass experience.
    Car subwoofers with enclosures are available in three main types: sealed enclosures, ported enclosures, and bandpass enclosures. Sealed enclosures provide accurate and tight bass response with excellent power handling, making them suitable for various music genres. Ported enclosures have a port or vent that allows air to move in and out, enhancing bass output and efficiency. Ported enclosures are ideal for those who enjoy deep and booming bass. Bandpass enclosures use a combination of sealed and ported chambers to produce the most forceful and intense bass output. They are suitable for enthusiasts seeking the loudest and most impactful bass. The choice of enclosure type depends on personal preferences and the desired bass characteristics.
    Ensuring compatibility between the car subwoofer and the enclosure is crucial for optimal performance. The subwoofer's specifications, including its size, power handling, and recommended enclosure type, should match the enclosure's specifications. Before purchasing a subwoofer with an enclosure, carefully read the manufacturer's specifications for both products. Pay attention to the recommended air space for the subwoofer, as this will determine the correct enclosure size. Additionally, consider the subwoofer's impedance and power handling rating to ensure it matches your amplifier's output and impedance load. If you have any doubts about compatibility, consult with a car audio expert who can recommend suitable subwoofers with compatible enclosures for your audio system.
    Installing a car subwoofer with an enclosure can range from relatively straightforward to more complex, depending on your experience with car audio installations and the type of enclosure. Basic installations, such as placing the enclosure in the trunk or rear cargo area, can be done by those with some DIY skills and basic tools. However, more intricate installations, such as custom mounting or integrating the enclosure into the vehicle's interior, may require professional assistance to ensure proper fitment and wiring. It's essential to secure the enclosure properly to prevent any movement or rattling while driving. If you are unsure about the installation process or lack experience with car audio installations, seeking help from a certified car audio installer is recommended. They have the expertise and tools to install the subwoofer and enclosure correctly, maximizing its performance and ensuring a seamless integration into your vehicle's audio system.
    While car subwoofers with enclosures are designed to fit in various vehicles, there are size limitations to consider. The size of the enclosure, as well as the subwoofer's dimensions, should be compatible with the available space in your vehicle. Measure the area where you plan to install the enclosure, considering the depth, width, and height. Ensure that the enclosure fits securely and does not obstruct any other vehicle components. Some vehicles, such as compact cars or trucks with limited space, may require slim or shallow-mount subwoofers and enclosures to fit properly. It's essential to select a subwoofer with an enclosure that matches your vehicle's available space while delivering the desired bass performance. If you are unsure about the size limitations, consult with a car audio expert who can recommend suitable subwoofers with enclosures that fit your vehicle's specific requirements.

    If you're on the hunt for the perfect Car Subwoofers with an Enclosure or Box to elevate your bass experience, look no further. Explore our extensive selection of car subwoofers bundled with enclosures or boxes, and discover the best quality options to enhance your car audio system. Don't compromise on sound quality - shop now and find the ideal subwoofer setup that will take your driving moments to a whole new level!

    Car subwoofers with an enclosure or box offer a complete and convenient bass solution for your vehicle's audio system. These packages come pre-assembled with a subwoofer and a perfectly matched enclosure or box, ensuring optimal performance and compatibility. By opting for a bundled package, you save time and effort in selecting separate components, and you can rest assured that the subwoofer and enclosure are designed to work seamlessly together.

    One of the main advantages of car subwoofers with an enclosure or box is their ease of installation. These packages are designed for straightforward installation, making it accessible for both car audio enthusiasts and beginners. The enclosed design of the subwoofer in the box helps to enhance bass response and reduce distortion, resulting in a cleaner and more powerful bass output.

    Additionally, car subwoofers with enclosures or boxes often come in various sizes and configurations to cater to different audio preferences and vehicle constraints. Whether you're looking for a compact setup for a smaller vehicle or a more substantial bass setup for a larger vehicle, there's a wide range of options available to suit your needs.

    At Sonic Electronix, we take pride in assisting our visitors in finding the perfect Car Subwoofers with Enclosure or Box to suit their specific requirements. Our team of audio specialists is dedicated to providing expert guidance and support throughout the selection process. If you have any questions or need advice on choosing the right subwoofer and enclosure combination for your vehicle, our knowledgeable staff is here to help.

    Feel free to call our customer service team at 1-502-200-8010 for personalized assistance. We are committed to ensuring that you make an informed decision and achieve the best possible bass setup for your car audio system.

    Related Categories in Car Subwoofers with a Box (Loaded Sub Boxes)


    Products in these categories contain items that carry a guarantee to fit your Nissan Altima (change vehicle)

    Additional Related Categories in Car Subwoofers with a Box (Loaded Sub Boxes)


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