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Top 8 Best Car Subwoofers on the Market in 2021 Review

A decent subwoofer will have you possibly even enjoying being stuck in traffic. It adds a new sense to your music. Not only is what you can hear improved, but you can also feel the music.

Subwoofers come in many different variations and with different price tags attached. So which one is best for your car? Deciding to upgrade your stereo is the easy part, but choosing the correct equipment can be difficult.

Finding the best car subwoofer can be tough as well. That’s why we put together this review, so you can spend less time researching and more time enjoying that lovely bottom end.

So, let’s go through it and find the best subwoofer for your car

Top 8 Best Car Subwoofers for Your Car in 2021 Reviews

  1. JL Audio 12W7AE-3 – Best Special Edition Car Subwoofer
  2. Focal SUBP30F – Best Audiophile Car Subwoofer
  3. Alpine SWR-8D2 – Best 8 inch Car Subwoofer
  4. Polk DVC MM1 – Best Water Resistant Car Subwoofer
  5. Pyle PLPW10D – Best Budget Car Subwoofer
  6. Planet Audio AC10D – Most Durable Car Subwoofer
  7. Rockford Fosgate P3D4-12 – Best Premium Car Subwoofer
  8. MB Quart DS1-204 – Best Shallow Mount Car Subwoofer

1 JL Audio 12W7AE-3 – Best Special Edition Car Subwoofer

Anniversaries are something special, and so is this 10th Anniversary Edition 12-inch subwoofer from JL Audio. Combining all of their cutting-edge, patented technologies to create a special speaker that will blow the competition away.

JL Audio has always pushed the limits of what’s possible when it comes to speaker technology. And this product might just be their biggest push. Let’s have a closer look at what makes JL Audio one of the best high-end car subwoofers.

Looks and performance…

The first thing you’re sure to notice is this subwoofer looks different from others. And it’s not just the awesome satin-black powder coat finish on the basket. A floating cone attachment method is another feature sure to catch your eye.

JL Audio uses their W-Cone technology for astonishing cone stiffness while using minimal mass. We can’t forget the OverRoll Surround either, which controls the massive excursion without sacrificing precious cone area.

Getting the most from your soft…

This incredible subwoofer can be driven with as little as only 400 watts. However, if you want it banging, it’s recommended to use between 750 – 1,000 watts of continuous power. No point in letting this potential go to waste.

Optimized to work in either a ported or sealed enclosure makes this one of the most versatile car subwoofers too. Sealed boxes require 1.375 cubic feet of space, while ported require 1.75 cubic feet. Therefore, you can install it in most vehicles.

JL Audio 12W7AE-3

Our rating:4.7 out of 5 stars (4.7 / 5)


  • Attractive design with multiple patented technologies.
  • Runs from between 400 to 1,000 watts.
  • Optimized for use in both sealed and ported enclosures.


  • High-end products have high-end price tags.
  • Grab one while they’re available.

2 Focal SUBP30F – Best Audiophile Car Subwoofer

You might not have heard of Focal, and we’d like you to keep this on the down-low. They are a boutique French audio manufacturer with over 35 years of experience in creating exquisite professional recording, home, and car audio products.

When it comes to their subwoofers, Focal has a reputation amongst enthusiasts for their outstanding low-frequency performance. Considered a premium product, they go beyond the expectations of even the most discerning audiophile.

Raising the bar…

For anyone who prefers clear and defined bass, as opposed to just boom and thunder, this 12-inch beauty is the direction you should be looking. This speaker can pump out an impressive 400 watts RMS. As a result, it’s one of the most powerful car subwoofers on the market.

One of the focal points is the flax cone, which is sandwiched between two layers of fiberglass. Not only does it offer an original design, but it is also light and rigid. In turn, this improves acoustic performance and productivity.

Made with precision…

This model has a dual-magnet design, ensuring that optimal power is delivered to the voice coil. A new cooling system is used for the voice coil in combination with the flax technology, allowing for consistent acoustic performance.

An incredibly rigid spider basket along with a newly designed suspension system provides improved excursion. This results in deeper and more controlled bass thanks to highly accurate and precision engineering. All of which means this is one of the best sounding car subwoofers available.

Focal SUBP30F

Our rating:5 out of 5 stars (5 / 5)


  • Boutique manufacturer with over 35 years of experience.
  • Audiophile level performance with clear and defined bass.
  • Suitable for use with smaller enclosures.


  • 4 ohms impedance does produce extra heat.
  • After-sales support can be more difficult if needed.

3 Alpine SWR-8D2 – Best 8 inch Car Subwoofer

Alpine is to car audio as Kleenex is to tissues. The two just go together. With this level of experience, you’d expect high-quality products. And you’d be right. This 8-inch subwoofer is from Alpine’s Type-R range of products.

This range includes enhanced features designed to achieve high-power handling, clean output, deep bass, and responsive control. Being smaller in size, this subwoofer can still deliver some astonishing results.

Reduced mounting depth…

For installations with tighter space, Alpine’s Type-R subwoofers make a great fit with reduced mounting depth requirements. This 8-inch speaker only requires 4½ inches while still maintaining high output capabilities. Meaning, this is one of the best compact car subwoofers around.

An oversized black anodized 40mm voice coil increases the surface, resulting in increased power. Capable of 350 watts RMS with a peak of 1,000 watts, you want to make sure your amplifier can match the power requirements.

The little sub that could…

Even though this is a small 8-inch subwoofer, it can still pump out some clean bass with low distortion. With a ten piece segmented magnet structure, motor force is increased. This results in more accurate, louder, and controlled bass.

Using their own patented Radial Vented VC Heatsink and Airflow Management System, you can enjoy long play times with minimized power compression. A single-piece, cast aluminum frame is used as a heatsink to allow sustained power.

Alpine SWR-8D2

Our rating:4.3 out of 5 stars (4.3 / 5)


  • Suitable for installs in tighter spaces.
  • Shallow mounting depth while maintaining high-power output.
  • Patented heatsink technology allows for sustained power.


  • Loudness is still limited, being only 8 inches.
  • Specific amplifier and enclosure are required for best results.

4 Polk DVC MM1 – Best Water Resistant Car Subwoofer

If your car happens to be a Jeep or even a convertible, then having a subwoofer that can take a splash of water is a great idea. This 8-inch Polk speaker can be used for both car and marine installations. Making it one of the best subwoofers for convertibles on the market.

Part of Polk’s MM1 series, the MM stands for Mobile Monitor. It features an ultra-durable construction for use in almost any vehicle. Filled with useful features that will give you an enjoyable audio experience wherever you go.

Taking some punishment…

Featuring IP56 certification, this subwoofer is both water and dirt-resistant. The basket is non-corrosive ABS reinforced with fiberglass with a waterproof surround. There are also weep holes for drainage and a composite cone that can withstand salt fog and UV.

This is the perfect subwoofer for anyone that lives close to the ocean or has an open vehicle. And best of all, none of these features detract from the ability to produce deep, clean bass.

Pump the bass…

Integrated fuses help to protect your subwoofer if you happen to overpower it with your amplifier. So, don’t be afraid to pump it. While pushing the limits, the vented pole and basket structure increases cooling and can handle more power.

A multilayered voice coil increases the motor strength creating tighter and more accurate bass notes. Adding a high excursion bump stack with the increased motor strength results in a more audible throw for a deeper bass experience.

Polk DVC MM1

Our rating:4.9 out of 5 stars (4.9 / 5)


  • IP56 certification protects from water, dirt, salt fog, and UV.
  • Great for installation in open or exposed vehicles.
  • Integrated fuses protect from accidental overpower.


  • Limited results from an 8-inch subwoofer.
  • Lower maximum power than competitors.

5 Pyle PLPW10D – Best Budget Car Subwoofer

Next in our Best Car Subwoofer review, not all of us can afford high-end subwoofers in our vehicles. That doesn’t mean we need to miss out on experiencing a bass-enhanced audio experience. These Pyle PLPW10D 10-inch subwoofers are of incredible value.

Using quality components and build while keeping costs low, this is a great product for those with limited budgets. Pyle’s subwoofers both look great and provide low-frequency bass with limited distortion.


Pushing out 500 watts of RMS with a peak power output of 1,000 watts means you can pump the volume. Even when pushed to the limit, you will be rewarded with full-range stereo sound with an impressive response.

A maximum excursion is possible thanks to non-fatiguing rubber suspension, combined with a rubber magnetic boot. There’s also a non-press cone, a treated foam surround, along with a bumped and vented motor for added protection in handling all that power.

Easy installation…

Sticking with standard 10-inch mounting means, it’s easy to install into most pre-made enclosures. A reasonably shallow mounting depth of only 4.7 inches allows for a simple replacement of worn or blown speakers.

Sitting within the enclosure is where you’ll find the 2-inch, 4-layer dual-voice coil for enhanced performance. This also allows for the large 50-ounce magnet structure to have a higher operating temperature.

Pyle PLPW10D

Our rating:3.9 out of 5 stars (3.9 / 5)


  • Affordable product with quality performance.
  • High-powered 500 watts RMS and 1,000 watts peak.
  • Standard mounting makes installation easy.


  • Quality amplifier required for best results.
  • Some distortion was detected at higher volumes.

6 Planet Audio AC10D – Most Durable Car Subwoofer

If your budget can stretch a little further, you should consider this 10-inch subwoofer from Planet Audio. Improve your car journeys with massive sounds, without having to break the bank.

Handling both high levels of power and operating temperatures, your music will be much more enjoyable. Furthermore, this level of quality at this price means everyone’s head will be bobbing to the beat.

Installation considerations…

As with most of these subwoofers, unless you are handy, then professional installation will have to be factored in. To receive maximum performance from any subwoofer, they will require an enclosure, along with the correct wiring.

The peak power output is 1,500 watts. Although, we wouldn’t recommend higher than 500 watts RMS. If your amplifier puts out power any higher than that, there’s a good chance of frying the speaker.

Dual-voice coil for more bass…

Not only will a dual-voice coil produce more bass than a single coil, but it will also assist in producing the correct Ohm load. To keep the speakers running at higher power for longer, the dual-coil can also withstand higher temperatures.

For improved durability and acoustic performance, the cone has been constructed from polypropylene. This material will give the speaker a longer life and provides the right balance of flexibility and rigidity.

Planet Audio AC10D

Our rating:4.2 out of 5 stars (4.2 / 5)


  • An affordable upgrade to impressive bass.
  • Dual-voice coil for improved performance.
  • Polypropylene cone for durability and accuracy.


  • Maximum wattage appears overrated, so don’t overload.
  • Professional installation might be required.

7 Rockford Fosgate P3D4-12 – Best Premium Car Subwoofer

When it comes to high-end subwoofers, amplifiers, and car speakers, one of the most recognized names is Rockford Fosgate. They are well regarded due to the reliably high levels of performance through years of experience.

This 12-inch subwoofer comes in Rockford Fosgate’s Punch line-up and carries on their legacy. It will produce loud and deep bass while looking fantastic at the same time, putting you ahead of the competition.

The nitty-gritty…

For those that like looking at specs, you’ll be sure to enjoy these inclusions. The 12-inch punch is a 4-ohm dual-voice coil subwoofer that can handle 600 watts RMS and 1200 watts of peak power.

Featuring an anodized aluminum cone and a unique spider venting design, the motor can be kept cooler for longer. Also equipped with a hybrid stamp-cast basket for superior strength, minimized weight, and reduced resonance.

It’s the little things…

Fitted with nickel-plated push terminals, you shouldn’t expect any connection issues, as high-quality wiring is used. Meeting CEA 2031 standards this guarantees continued quality performance without causing damage to the voice coils.

Besides all these awesome features, there are some nice accessories included, like the classy trim ring with the Punch logo and a PVC magnet cover for an added level of protection for important components.

Rockford Fosgate P3D4-12

Our rating:4.7 out of 5 stars (4.7 / 5)


  • Experience and performance of Rockford Fosgate.
  • High-quality materials and precision build.
  • Meets CEA 2031 standards.


  • This level of quality and performance isn’t cheap.
  • Might even be too loud for some users.

8 MB Quart DS1-204 – Best Shallow Mount Car Subwoofer

Not all of us have the room to install a large subwoofer enclosure inside our vehicle. The answer to this dilemma is a shallow mount subwoofer. These can often be installed under or behind the seat.

This MB Quart DS1-204 8-inch shallow mount subwoofer cannot only be used in tight situations, but it’s affordable too. Thanks to products like these, now everyone can enjoy an upgraded audio experience in their vehicle.

How shallow is it?

Most subwoofers require a mounting depth of around 4.5 inches. The MB Quart only requires a depth of 2.7 inches. That makes this one of the most convenient subwoofers for use in cars with limited space.

You still also have the benefit of all the latest construction techniques and technology for superior sound quality. MB Quart has still managed to fit a 2-inch high temperature-resistant dual-voice coil.

More great features…

This speaker is built to last with the use of build materials like the heavy gauge powder-coated steel basket. It not only offers protection for the motor system and moving parts but also helps to provide big bass.

The subwoofer can handle a constant power load of 200 watts RMS, with a peak load of 400 watts. Impedance for each coil is the standard 4 ohms. Most standard amplifiers should offer decent levels of volume and bass.

MB Quart DS1-204

Our rating:4.5 out of 5 stars (4.5 / 5)


  • Shallow mounting of only 2.7 inches for tight spaces.
  • High-temperature dual-voice coils.
  • Compatible with most standard amplifiers.


  • A specialized enclosure might be required.
  • Only 200 watts RMS of power output.

Best Car Subwoofer Buying Guide

Best Car Subwoofer Buying Guide

No matter which of these awesome products you choose, adding a subwoofer to your car’s stereo will provide massive amounts of enjoyment. Nothing quite enhances an audio experience, quite like the feeling of deep, clean bass.

Some of these products will suit your needs better than others. That’s why we created this buying guide. We will identify the key areas that you should consider before purchasing to ensure you make the most informed decision.

Do you have an amplifier already?

Subwoofers are large speakers with huge drivers that require large amounts of power. Without an amplifier, then there’s no real point in adding a subwoofer to your stereo. If you already own an amplifier, then have a check on how many RMS watts it can provide.

The subwoofer will also have an RMS and Peak rating. If your amplifier’s power exceeds the subwoofer’s power rating, it will blow. On the other hand, if your amplifier is underpowered, you will not be receiving the maximum performance.

How much space do you have?

There are three sizes of subwoofers within the products we have chosen here. Starting at 8 inches, it then steps up to 10 inches, followed by 12 inches. The diameter isn’t the only thing you should take into consideration.

All of these subwoofers will require an enclosure which you will need to make sure fits inside your vehicle. Will you use a single or multiple subwoofers? If you’re tight on space, you may want to consider the shallow mount MB Quart DS1-204.

By now, you should have a better understanding of not only what’s available but what will best suit your needs. Hang around for our next section to find out what we think is the best subwoofer for car and why.

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Also, take a peek at our comprehensive reviews of the Best Car Amplifiers, the Best Car Speakers, the Best Car Tweeters, the Best Steering Wheel Covers, and the Best Flip Out Head Units currently on the market.

What is the Best Car Subwoofer?

With so many differences in these products, making a decision on which is best wasn’t easy. To help, we broke it down into the following areas. The subwoofer must use high-quality materials and components, have a long lifespan, and most importantly, produce driving, clean, deep bass.

The product we feel achieves all these requirements the best is the…

Rockford Fosgate P3D4-12

After years of experience, Rockford Fosgate has chosen premium materials and components. This has resulted in premium sound quality that will keep a smile on faces for many years to come.

Until next time, may the road treat you right.


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