Garage
Shop

All Car Subwoofers with Boxes for your 2009 C70 close

Upgrade your ride effortlessly with our pre-loaded car sub boxes. These all-in-one solutions include the enclosure and subwoofer driver(s) to deliver exceptional sound quality and convenience, making it easy to enhance your car audio system.

Loading...
Filters

Your Vehicle


Universal fit Icon
Explore universal-fit product options for your 2009 C70
Vehicle-specific solutions are not available in this category.

Update vehicle | Remove vehicle | Vehicle store

Shop the Category

filter-icon Filters & Sort
Lowest price in 30 days

NVX NE102P w/ Rockford Fosgate Punch P1 P1S2-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 10" Punch Series Single 2-ohm Car Subwoofer

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" Punch Series Single 2-ohm 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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
List price $395.97
-18% $323.97

• 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

(2) NVX NSW102v3 Subwoofers + Atrend 10DQV

700 Watt (350W RMS) 10" N-Series V3 Dual 2-Ohm Car Subwoofer (NSW102 v2) + 10" Dual Vented Sealed Enclosure

Go to item page Right Arrow Icon of Right Arrow

700 Watt (350W RMS) 10" N-Series V3 Dual 2-Ohm Car Subwoofer (NSW102 v2) + 10" Dual Vented Sealed Enclosure

• 350 Watts RMS / 700 Watts RMS
• Impedance: Dual 2-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• 2” High Temperature Aluminum Voice Coil

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

58
List price $370.97
-25% $279.97

• 350 Watts RMS / 700 Watts RMS
• Impedance: Dual 2-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• 2” High Temperature Aluminum Voice Coil

NVX NSW102v3 + NVX XMDFS102 Sealed Dual 10" Subwoofer Enclosure

700 Watt (350W RMS) 10" N-Series V3 Dual 2-Ohm Car Subwoofer (NSW102 v3)

Go to item page Right Arrow Icon of Right Arrow

700 Watt (350W RMS) 10" N-Series V3 Dual 2-Ohm Car Subwoofer (NSW102 v3)

• 350 Watts RMS / 700 Watts RMS
• Impedance: Dual 2-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• 2” High Temperature Aluminum Voice Coil

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

55
List price $415.97
-33% $279.97

• 350 Watts RMS / 700 Watts RMS
• Impedance: Dual 2-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• 2” High Temperature Aluminum Voice Coil

(2) JBL Stage 102 with Sealed Dual Enclosure

900W Peak (225W RMS) 10" Stage Series Single 4 Ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

900W Peak (225W RMS) 10" Stage Series Single 4 Ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 225 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohm
• Includes Sealed Dual Enclosure

Save 15% Off Package Deals at Checkout!

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $439.89
-36% $279.89

• Peak Power: 900 watts
• RMS Power: 225 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohm
• Includes Sealed Dual Enclosure

Alpine RS-W12D2 with Sealed Truck Enclosure

1200W Peak (600W RMS) 12” R-Series Dual 2-Ohms Shallow Subwoofer

Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 12” R-Series Dual 2-Ohms Shallow Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Polypropylene with aluminum dust cap Cone
• Butyl Rubber Surround
• Impedance: Dual 2 ohm
• Sensitivity: 81 dB
• Includes Sealed Truck Enclosure

Save 15% Off Package Deals at Checkout!

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $1059.99
-25% $799.95

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Polypropylene with aluminum dust cap Cone
• Butyl Rubber Surround
• Impedance: Dual 2 ohm
• Sensitivity: 81 dB
• Includes Sealed Truck Enclosure

NVX VCW122 Version 3 (VCW122v3) with Sealed Enclosure (12SQ)

2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer + Pro Series Sealed Subwoofer Enclosure

Go to item page Right Arrow Icon of Right Arrow

2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 2-Ohm Car Subwoofer + Pro Series Sealed Subwoofer Enclosure

• RMS Power: 1200 Watts
• 3” 4-Layer High Temperature Black Aluminum Voice coil
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll foam surround with black nylon stitching
• 202 oz. Triple stacked High Energy ferrite magnet
• Die Cast aluminum vented basket
• Includes Sealed Subwoofer Enclosure

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

100
List price $377.98
-14% $324.94

• RMS Power: 1200 Watts
• 3” 4-Layer High Temperature Black Aluminum Voice coil
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll foam surround with black nylon stitching
• 202 oz. Triple stacked High Energy ferrite magnet
• Die Cast aluminum vented basket
• Includes Sealed Subwoofer Enclosure

Lowest price in 30 days

NVX NE81P w/ Rockford Fosgate Punch P3 P3SD2-8

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

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/ 8" Punch Series Dual 2-ohm Shallow 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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

12
List price $289.98
-17% $239.98

• 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 NE101S w/ Rockford Fosgate Prime R2D2-10

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 2-ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 2-ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

24
List price $213.98
-22% $165.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

NVX NE102S w/ Rockford Fosgate Punch P1 P1S4-10

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

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 Single 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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

17
List price $383.97
-11% $339.97

• 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

2 Polk Audio DB 1042 SVC (DB1042SVC) + FREE Sealed Dual Box & Speaker Wire!

2 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer (DB 1042SVC) MONSTER BASS Package

Go to item page Right Arrow Icon of Right Arrow

2 1050W Peak (350W RMS) 10" DB+ Series Single 4 ohm Car Subwoofer (DB 1042SVC) MONSTER BASS Package

• 350 Watts RMS
• 1050 Watts Max
• Polypropylene Cone
• Santoprene Rubber Surround
• IP56 Marine Certified
• Tested for salt-fog, UV and humidity
• Quick-Connect Wire Terminals

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

93
List price $364.96
-31% $253.64

• 350 Watts RMS
• 1050 Watts Max
• Polypropylene Cone
• Santoprene Rubber Surround
• IP56 Marine Certified
• Tested for salt-fog, UV and humidity
• Quick-Connect Wire Terminals

2) MTX Terminator TN10-04 10” 600w Subwoofers + Belva BBX210BK Vented Enclosure

300W Peak (150W RMS) 10" Terminator Series Single 4 ohm Subwoofer Package with Vented Enclosure

Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 10" Terminator Series Single 4 ohm Subwoofer Package with Vented Enclosure

• 300W Peak
• 150W RMS
• Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• 28 oz. Magnet Structure

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

53
List price $344.88
-19% $279.95

• 300W Peak
• 150W RMS
• Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• 28 oz. Magnet Structure

Lowest price in 30 days

Alpine R2-W10D2 with Ported Dual Enclosure

2250W Peak (750W RMS) 10" R-Series Dual 2-Ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

2250W Peak (750W RMS) 10" R-Series Dual 2-Ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (H.A.M.R) Surround
• Impedance: Dual 2 ohm
• Sensitivity: 82.3 dB
• Includes Ported Dual Enclosure

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

9
List price $1114.99
-43% $639.90

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (H.A.M.R) Surround
• Impedance: Dual 2 ohm
• Sensitivity: 82.3 dB
• Includes Ported Dual Enclosure

NVX NE101S w/ JL Audio 10W1v3-2

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 300W RMS 10" W1v3 Series Single 2-ohm Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 300W RMS 10" W1v3 Series Single 2-ohm Subwoofer

• 10" Single Sealed Subwoofer Enclosure
•3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

11
List price $333.98
-8% $305.98

• 10" Single Sealed Subwoofer Enclosure
•3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE101S w/ JL Audio 10W1v3-4

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 300W RMS 10" W1v3 Series Single 4-ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 300W RMS 10" W1v3 Series Single 4-ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $333.98
-8% $305.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE101S w/ Sundown Audio SML 10" D2

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 500W RMS 10" SML Series Dual 2-ohm Shallow Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 500W RMS 10" SML Series Dual 2-ohm Shallow Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $347.98
-15% $295.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE101S w/ Sundown Audio SML 10" D4

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 500W RMS 10" SML Series Dual 4-ohm Shallow Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 500W RMS 10" SML Series Dual 4-ohm Shallow Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $347.98
-15% $295.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE121S w/ Sundown Audio SML 12" D4

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/500W RMS 12" SML Series Dual 4-ohm Shallow Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/500W RMS 12" SML Series Dual 4-ohm Shallow Car Subwoofer

• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $387.98
-17% $321.98

• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.00 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE82P w/ NVX ESW84

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

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/ E-Series 8" Single 4-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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $299.97
-9% $271.97

• 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 NE101S w/ NVX NSW102 Version 3

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ N-Series v3 10" Dual 2-Ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ N-Series v3 10" Dual 2-Ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

52
List price $191.98
-24% $145.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

NVX NE101S w/ Rockford Fosgate Punch P3 P3D4-10

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Punch Series Dual 4-ohm Car Subwoofer

Go to item page Right Arrow Icon of Right Arrow

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Punch Series Dual 4-ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

35
List price $323.98
-15% $275.98

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Items per page: 20 40 60

    Clear all

    FAQ Frequently asked questions in All Car Subwoofers with Boxes


    Car Subwoofers with Boxes Frequently Asked Questions (FAQ)
    Car subwoofers with boxes, often referred to as enclosed subwoofer systems, consist of a subwoofer driver and a specially designed enclosure or box. These systems are engineered to provide optimal bass performance and convenience. The enclosure's design enhances the subwoofer's output, producing deeper, more accurate bass notes compared to a free-air installation. Car subwoofers with boxes are a popular choice for anyone seeking powerful, well-defined bass without the need for extensive custom fabrication. They're designed to fit seamlessly in your vehicle, making installation easier and more efficient.
    There are several types of enclosures for car subwoofers with boxes, each offering unique characteristics: Sealed Enclosures: These enclosures provide precise and tight bass response, ideal for music enthusiasts who prioritize accuracy and well-controlled bass. Ported (Vented) Enclosures: Ported enclosures are designed for increased efficiency and louder bass output. They are suitable for those who want a more pronounced and impactful bass experience. Bandpass Enclosures: Bandpass enclosures are highly specialized and designed for extreme efficiency in a specific frequency range. They are less versatile but can deliver tremendous output within their limited range. The choice of enclosure type depends on your musical preferences, available space, and desired bass characteristics.
    To ensure compatibility with your vehicle, you'll need to consider several factors: Size: Measure the available space in your vehicle, particularly where you plan to install the subwoofer box. Ensure the dimensions of the box will fit without obstructing other components or cargo space. Power Handling: Match the subwoofer's power handling capabilities with your amplifier's output. Ensure that your amplifier can deliver an appropriate amount of power to the subwoofer for optimal performance. Enclosure Type: Choose an enclosure type that suits your musical preferences and available space. Sealed enclosures are versatile and work well in most applications, while ported enclosures provide more output but may require more space. Impedance: Verify that the subwoofer's impedance (measured in ohms) matches your amplifier's minimum impedance rating to avoid compatibility issues. By considering these factors, you can select a car subwoofer with a box that fits both your vehicle and your audio system.
    The installation of a car subwoofer with a box can be a DIY project if you have some technical skills and the necessary tools. However, it may require professional installation in certain cases. Factors that influence this decision include your vehicle's make and model, the complexity of the audio system, and your familiarity with car electronics. If you're confident in your abilities and have access to clear instructions and wiring diagrams, you can attempt a DIY installation. However, complex systems, such as those requiring custom enclosures or extensive wiring modifications, may be best left to professional installers. A professional can ensure that the subwoofer system is correctly integrated with your vehicle's audio system, minimizing the risk of damage or incorrect installation.
    To maximize the performance of your car subwoofer with a box, consider the following tips: Proper Placement: Carefully choose the location for the subwoofer box within your vehicle. Experiment with placement to find the spot that delivers the best bass response. Amplification: Use a dedicated subwoofer amplifier to provide sufficient power to the subwoofer. Make sure the amplifier's settings are appropriately tuned for the subwoofer's specifications. Sound Deadening: Reduce vibrations and rattling within your vehicle by applying sound deadening material to doors, panels, and other resonance-prone areas. Crossover Settings: Set the crossover frequency on your amplifier or head unit to match the subwoofer's recommended range, preventing it from trying to reproduce frequencies it can't handle. Phase Alignment: Ensure the phase of the subwoofer is properly aligned with your vehicle's main speakers for seamless integration and better bass response. By following these guidelines and fine-tuning your system, you can enjoy the full potential of your car subwoofer with a box, delivering powerful and accurate bass for your listening pleasure.
    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

    2009 Volvo C70

    2006 BMW 760Li

    2011 BMW M3

    2013 Audi A3

    2019 Subaru Impreza

    1989 Dodge Raider

    1976 Ford Elite

    2003 BMW 330Ci

    2003 Chrysler 300M

    1973 Buick LeSabre

    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.