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Empty Car Subwoofer Enclosures & Boxes for your 2016 Flex

We carry unloaded sub boxes in shapes and sizes ranging from 8-inch to 15-inch, and angled, truck style, to large vented, sealed or bandpass types.

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Select Increments Stealth-Pod 40473

Empty Single 10" Sealed Stealth-Pod Enclosure for select 1987-2018 vehicles from Jeep

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Empty Single 10" Sealed Stealth-Pod Enclosure for select 1987-2018 vehicles from Jeep

• 10" Single Sealed Stealth-Pod Subwoofer Enclosure for select 1987-2018 vehicles from Jeep
• Durable textured heavy-duty plastic construction
• Total box volume: 0.70 cubic feet
• Compact size keeps cargo space intact
• Easily removable stealth-pod

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No Fit Icon Doesn't fit your Flex

$289.95

In stock.

DS18 EBM-FFPGLAD-2X8

Empty Dual 8" Vented Underseat Enclosure for select 2020-2026 Gladiator

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Empty Dual 8" Vented Underseat Enclosure for select 2020-2026 Gladiator

• 8" Dual Ported Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Custom fit front-firing under seat construction
• Integrates seamlessly to truck's cabin
• Total box volume: 2 cubic feet

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No Fit Icon Doesn't fit your Flex

$479.95

In stock.

• 8" Dual Ported Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Custom fit front-firing under seat construction
• Integrates seamlessly to truck's cabin
• Total box volume: 2 cubic feet

MTX SLH12

Empty Single 12" Ported Sledgehammer Enclosure

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Empty Single 12" Ported Sledgehammer Enclosure

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.73 cubic feet
• Mounting hardware included

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1
$139.95

In stock

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.73 cubic feet
• Mounting hardware included

NVX Empty BOOST Box - 2017-2023 GMC Acadia and Acadia Limited - UBE-GMC-ACA-G2

For select 2017-2023 Acadia and Acadia Limited - Single 10" Empty BOOST Sealed Enclosure

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For select 2017-2023 Acadia and Acadia Limited - Single 10" Empty BOOST Sealed Enclosure

• Custom Fit Empty Single 10" BOOST Sealed Enclosure
• Compatible with select 2017-2023 Acadia and Acadia Limited
• Made with hand-laid fiberglass shell covered in Carpet
• Total box volume: 0.57 cubic feet

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No Fit Icon Doesn't fit your Flex

List price $275.99
-17% $229.99

In stock

Only 3 Left!

Atrend A202-12

Empty Dual 12" Sealed Enclosure for select 2002-2019 Ram 2500 / 1500 / 3500 and 1500 and 1500 Classic

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Empty Dual 12" Sealed Enclosure for select 2002-2019 Ram 2500 / 1500 / 3500 and 1500 and 1500 Classic

• 12" Dual Sealed Subwoofer Enclosure for select 2002-2019 Ram 2500 / 1500 / 3500 and 1500 and 1500 Classic
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2 cubic feet
• Fits full bench and split seat models
• Premium Tuff-Coat Sprayliner

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No Fit Icon Doesn't fit your Flex

1
List price $299.99
-20% $239.99

Available

Ships in 10-14 days

Atrend 12SPLDV

Empty Dual 12" SPL Vented Subwoofer Enclosure

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Empty Dual 12" SPL Vented Subwoofer Enclosure

• 12" Dual SPL Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 3.1 cubic feet

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5
List price $249.99
-24% $189.99

In stock

Only 1 Left!

Atrend 8SQV

Empty Single 8" Vented Subwoofer Enclosure

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Empty Single 8" Vented Subwoofer Enclosure

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium black carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.54 cubic feet

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24
List price $99.99
-22% $77.95

In stock

MTX SLH10X2S

Empty Dual 10" Ported Square Sledgehammer Enclosure

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Empty Dual 10" Ported Square Sledgehammer Enclosure

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.18 cubic feet
• Mounting hardware included

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1
$189.95

In stock

MTX SLH12X2

Empty Dual 12" Ported Sledgehammer Enclosure

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Empty Dual 12" Ported Sledgehammer Enclosure

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.66 cubic feet
• Mounting hardware included

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2
$199.95

In stock

Atrend 12SA

Empty Single 12" Small Sealed Subwoofer Enclosure

12SA big
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Empty Single 12" Small Sealed Subwoofer Enclosure

• 12" Single Small Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.38 cubic feet

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12
List price $79.99
-6% $74.95

In stock

Only 3 Left!

Atrend 10DV-MOJO

Empty Dual 10" Vented Enclosure for Memphis MOJO, MOJO Pro, and M6/M7 Series Subwoofers

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Empty Dual 10" Vented Enclosure for Memphis MOJO, MOJO Pro, and M6/M7 Series Subwoofers

• 10" Dual Ported Subwoofer Enclosure
• Fits Memphis MOJO, MOJO Pro, and M6/M7 series subwoofers
• 1" Medium Density Fiberboard (MDF) construction
• Premium black carpet finish
• Total box volume: 3.2 cubic feet

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List price $239.99
-35% $155.99

In stock

Only 2 Left!

MTX SLH10

Empty Single 10" Ported Sledgehammer Enclosure

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Empty Single 10" Ported Sledgehammer Enclosure

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.19 cubic feet
• Mounting hardware included

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1
$139.95

In stock

Only 3 Left!

Atrend AFG-201-10

Empty Single 10" Sealed Underseat Enclosure for select 2002-2019 Ram 3500 / 1500 / 2500 and 1500 and 1500 Classic

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Empty Single 10" Sealed Underseat Enclosure for select 2002-2019 Ram 3500 / 1500 / 2500 and 1500 and 1500 Classic

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Fiberglass construction
• Total box volume: 2.2 cubic feet
• Compatible with select 2002-2019 Ram 3500 / 1500 / 2500 and 1500 and 1500 Classic

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No Fit Icon Doesn't fit your Flex

2
$359.99

Available

Ships in 10-14 days

Atrend A344-10CP

Empty Dual 10" Sealed Rear Underseat Truck Enclosure for select 2015-2025 F-150

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Empty Dual 10" Sealed Rear Underseat Truck Enclosure for select 2015-2025 F-150

• 10" Dual Sealed Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 1.6 cubic feet
• Compatible with select 2015-2025 F-150

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No Fit Icon Doesn't fit your Flex

List price $204.99
-5% $194.99

In stock

Select Increments XJ-Pod 72625

Empty Single 8" Sealed XJ-Pod Enclosure for select 1984-2001 Cherokee

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Empty Single 8" Sealed XJ-Pod Enclosure for select 1984-2001 Cherokee

• 8" Single Sealed XJ-Pod Subwoofer Enclosure for select 1984-2001 Cherokee
• Durable plastic construction
• Total box volume: 0.40 cubic feet
• Pre-cut housing that will accept most 8” subwoofers
• Easily attaches to your vehicle’s factory side panel

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No Fit Icon Doesn't fit your Flex

$239.95

In stock.

Atrend A219-65QV

Empty Quad 6.5" Vented Rear Truck Enclosure for select 2019-2024 vehicles from Ram

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Empty Quad 6.5" Vented Rear Truck Enclosure for select 2019-2024 vehicles from Ram

• 6.5" Quad Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 2 cubic feet
• Compatible with select 2019-2024 vehicles from Ram

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No Fit Icon Doesn't fit your Flex

$309.40

Available

Ships in 10-14 days

Atrend A602-10CP

Empty Dual 10" Sealed Under Rear Enclosure for select 2007-2018 Tundra

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Empty Dual 10" Sealed Under Rear Enclosure for select 2007-2018 Tundra

• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2 cubic feet
• Compatible with select 2007-2018 Tundra

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No Fit Icon Doesn't fit your Flex

1
$189.99

Available

Ships in 10-14 days

Limited time!

MEMPHIS FDBRONTG10PRO

Empty Single 10" Subwoofer, Dual 6.5" Speakers, and 4" Tweeters Sealed Enclosure for select 2021-2025 Bronco and Bronco Sport

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Empty Single 10" Subwoofer, Dual 6.5" Speakers, and 4" Tweeters Sealed Enclosure for select 2021-2025 Bronco and Bronco Sport

• Full Range Bronco Box for select 2021-2025 Bronco and Bronco Sport
• Specifically designed to fit swing gates
• Houses 10” sub, dual 6.5“ speakers, dual 4” tweeters
• All hardware included for OEM fit

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1
List price $449.95
Save $199.96
-44% $249.99

In stock

Only 2 Left!

• Full Range Bronco Box for select 2021-2025 Bronco and Bronco Sport
• Specifically designed to fit swing gates
• Houses 10” sub, dual 6.5“ speakers, dual 4” tweeters
• All hardware included for OEM fit

Atrend A608-10V

Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

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Empty Dual 10" Vented Truck-Style Rear Underseat Enclosure for select 2014-2019 Tundra

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.76 cubic feet
• Compatible with select 2014-2019 Tundra

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No Fit Icon Doesn't fit your Flex

List price $419.99
-14% $361.40

In stock

Only 2 Left!

Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

12ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

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12ANTCM - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• fully carpeted
• Fully Caulked and Sealed Tight

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65
List price $95.99
-43% $54.99

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    All About

    Empty Car Subwoofer Enclosures & Boxes
    Empty Car Subwoofer Enclosures & Boxes Frequently Asked Questions (FAQ)
    An empty car subwoofer enclosure, also known as a subwoofer box or cabinet, is a specialized enclosure designed to house a subwoofer driver. Unlike pre-loaded enclosures that come with a subwoofer already installed, empty enclosures allow you to select and install the subwoofer of your choice. This gives you the flexibility to choose a subwoofer that best suits your preferences and audio needs. Empty subwoofer enclosures are available in various sizes and designs, such as sealed, ported, and bandpass, allowing you to match the enclosure type with your desired bass response. If you already have a subwoofer or prefer a specific brand/model, an empty enclosure is the perfect solution to ensure a custom-tailored audio setup with optimal sound quality and bass performance.
    Selecting the right size of an empty car subwoofer enclosure is crucial for achieving the best audio performance. The enclosure's size is typically determined by the subwoofer's recommended air space, as specified by the manufacturer. It's essential to match the subwoofer's requirements 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. If you are unsure about the appropriate size, consult with a car audio expert or refer to the subwoofer's specifications provided by the manufacturer. Choosing the correct enclosure size ensures that the subwoofer operates efficiently, delivering accurate and powerful bass without distortion.
    While empty car subwoofer enclosures are designed to be versatile and accommodate various subwoofers, there are still compatibility considerations to keep in mind. The enclosure's size and design must match the subwoofer's recommended air space to ensure proper operation and sound quality. Some subwoofers may require a sealed enclosure, while others work best in a ported or bandpass design. It's essential to check the subwoofer's specifications to determine the ideal enclosure type and size for optimal performance. Additionally, consider the subwoofer's power handling capabilities and impedance rating to ensure it matches your amplifier's output and impedance load. If you have any doubts about compatibility, seek advice from car audio professionals who can recommend the best subwoofer options for your chosen empty enclosure.
    Using an empty car subwoofer enclosure offers several advantages over pre-loaded enclosures. First, you have the freedom to choose any subwoofer that suits your audio preferences and power requirements. This means you can select a premium-quality subwoofer or one with specific performance characteristics that match your desired audio setup. Additionally, empty enclosures allow for more customization in terms of enclosure type (sealed, ported, bandpass) and size, enabling you to fine-tune the bass response to your liking. Installing a subwoofer in an empty enclosure also allows for easier upgrades or replacements in the future without changing the entire enclosure. Overall, using an empty car subwoofer enclosure grants you greater flexibility and control over your car audio system, resulting in a personalized and optimized audio experience.
    The ease of installing an empty car subwoofer enclosure can vary depending on your experience with car audio installations and the complexity of your vehicle's interior. Basic installations, such as placing the enclosure in the trunk or rear cargo area, can be relatively straightforward for those with some DIY skills. However, more complex 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 crucial to properly secure the enclosure 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 empty subwoofer enclosure correctly, maximizing its performance and ensuring a seamless integration into your vehicle's audio system.

    If you're in search of the perfect Empty Car Subwoofer Enclosures & Boxes to build a custom subwoofer setup that suits your preferences, look no further. Explore our extensive collection of empty subwoofer enclosures and boxes to find the best quality options that will allow you to create the ultimate bass experience in your vehicle. Don't compromise on sound quality - shop now and discover the ideal empty car subwoofer enclosure that will take your car audio to new heights!

    Empty car subwoofer enclosures and boxes provide the foundation for building a custom bass system that caters to your specific audio preferences. These enclosures are designed to house subwoofers of various sizes, giving you the flexibility to choose the subwoofer that best suits your desired bass response and power handling requirements.

    One of the main advantages of using empty car subwoofer enclosures and boxes is the freedom to select the type of subwoofer and amplifier combination that perfectly matches your audio preferences. Whether you're looking for deep and thunderous bass or tight and punchy lows, having an empty enclosure allows you to fine-tune your setup to achieve your desired sound.

    Additionally, empty car subwoofer enclosures and boxes are often made from high-quality materials such as MDF (Medium-Density Fiberboard) or fiberglass, providing excellent durability and resonance control. This ensures that your custom bass system performs optimally and delivers clear, distortion-free bass.

    At Sonic Electronix, we are dedicated to helping our visitors find the ideal Empty Car Subwoofer Enclosures & Boxes that suit their unique requirements. Our knowledgeable staff is always ready to provide expert guidance and assistance in selecting the perfect enclosure for your specific subwoofer and vehicle. Whether you need advice on choosing the right size, type, or material for your empty enclosure, our experienced team is here to help.

    For personalized assistance, feel free to call our customer service team at 1-502-200-8010. Our audio experts are passionate about car audio and are committed to helping you achieve the best possible bass setup in your vehicle.

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    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.
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    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!
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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.