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Top 7 Best Under Seat Subwoofers [2022]

Best Under Seat Subwoofers

Whether you’re looking to add some extra bass to your music or you just want to be prepared for the next road trip with your friends, a good under seat subwoofer is a great way to do it. 

Not only do they save space in your car, but they also tend to be more powerful than regular car stereo subwoofers.

In this post, we’ll take a look at the best under seat subwoofers on the market and what to look for when shopping for one. 

Here are top 7 Best Under Seat Subwoofers of 2022

JBL BassPro SL – The Best under seat subwoofers [Editor’s Pick]

JBL BassPro SL

The  JBL BassPro SL is a top quality under seat subwoofer that offers excellent sound quality and performance.  It is very easy to install and comes with all the necessary hardware and instructions. 

The subwoofer has a compact design and takes up very little space, making it ideal for smaller cars. It delivers deep, powerful bass and has a good frequency response. The sound quality is very clear and detailed, and the bass is tight and well-defined.

This subwoofer is powered by an 8-inch driver that delivers outstanding bass output. It also has a peak power capacity of 250 watts and an RMS power capacity of 125 watts, so you know it can handle anything you throw at it. Plus, it comes with a highly efficient class D amplifier for superior sound quality.

This subwoofer features a soft start system that ensures smooth and consistent operation every time you turn it on. Additionally, it comes with speaker level output for louder and more powerful sound. Plus, the built-in audio sense automatically turns on the unit when it detects an audio signal. 

Best Under Seat Subwoofers

Overall, the JBL BassPro SL is an excellent under seat subwoofer that offers great value for money.


  • Excellent sound quality and performance
  • Very easy to install
  • Compact design takes up very little space
  • Delivers deep, powerful bass
  • Good frequency response
  • Clear and detailed sound quality
  • Bass is tight and well-defined


  • May not be suitable for larger cars
  • Some users have reported issues with the wiring harness

Rockford Fosgate P300-12 – Also Great

Best Under Seat Subwoofers

The Rockford Fosgate P300-12 Subwoofer Enclosure is one of the best under seat subwoofers on the market. It is a self-contained all-in-one solution featuring a Punch 12” subwoofer in a custom sealed enclosure and is powered by a mighty 300 Watt amplifier. 

This powerful subwoofer can handle up to 300 watts of power, making it perfect for bumping up your music’s low end. The P300-12 also features a 12-inch woofer driver and a sealed enclosure for tight, accurate bass reproduction. Plus, the included bass remote lets you control the amount of bass from the driver’s seat.

Rockford Fosgate P300 12 1

This subwoofer will bump, with an adjustable 12db/Octave low pass crossover and built-in adjustable bass EQ. Plus, the built-in 0°/180° phase switch and Remote bass level control included make it easy to get the perfect sound. 

This powerful subwoofer features a detachable power/ground connector for easy installation, as well as thermal and over voltage protection to keep your system safe. The high-efficiency, low current design means you’ll get incredible sound without sacrificing power, and the intelligent auto turn on/off function ensures that your subwoofer will only be active when it’s needed.

This powerful little subwoofer packs a mighty punch, thanks to its closed-loop design. This means that the woofer, amplifier and enclosure work together perfectly for optimum performance. Plus, it’s easy to integrate into aftermarket or OEM audio systems using RCA or speaker level signals. 

This subwoofer is great for anyone looking for an easy to install and powerful under seat subwoofer solution.


  • 12”woofer driver for accurate bass reproduction
  • Sealed enclosure for tight, accurate bass
  • 300 watt power handling for bumping up your music’s low end
  • Bass remote included for controlling the amount of bass from the driver’s seat
  • Detachable power/ground connector for easy installation
  • Closed-loop design for optimum performance


  • May not be suitable for those looking for very high volume levels
  • Bass remote may be misplaced easily

Kenwood KSC-SW11 – Best Compact Subwoofer with Superior Merging Capabilities

Best Compact Subwoofer with Superior Merging Capabilities

The  Kenwood KSC-SW11 is a great subwoofer for those who are looking for quality sound without breaking the bank. 

This subwoofer features a built-in class D amplifier that delivers an impressive 150 watts of RMS power, as well as up to 250 watts of peak power output. 

Plus, it has a frequency response of 35 to 150 Hz, making it capable of reproducing even the most subtle low-end frequencies.

This compact subwoofer is only 9.45 x 13.78 x 2.95 inches, but it packs a serious punch. The 8-inch driver provides impressive bass output, and the 81 dB sensitivity means it’s power-efficient. 

Plus, the compact size makes it easy to install under your seat. And because it’s from Kenwood, you know you’re getting a high-quality product that comes with a 1-year warranty. 

best under seat sub


  • Great sound quality
  • Affordable
  • Compact size makes it easy to install
  • 1-year warranty


  • Wired remote control.

Pioneer TS-WX130DA – The Best 50-watt compact powered subwoofer

50 watt compact powered subwoofer

The  Pioneer TS-WX130DA  is one of the best under seat subwoofers that comes in a compact design and delivers great sound quality. It also has a built-in amplifier with a 8” x 5.25” woofer that gives it really deep bass output.

This subwoofer features a built-in Class D amplifier and digital bass control technology, so you can really dial in the sound. 

Plus, with the included remote, you can adjust the phase and bass modes to get just the right soundscape. Whether you’re looking to rattle some windows or just add a little more oomph to your music, the TS-WX130DA is sure to deliver. 

And with a frequency range of 20 Hz to 200 Hz and 50 watts of nominal power, this subwoofer can handle just about anything you throw at it. 

This compact subwoofer may be small, but it sure can deliver some serious bass. In fact, the bass from this subwoofer is so deep and rich, you might find yourself having to turn the knob down at times! And there’s no need to worry about running a separate power line from your battery – this subwoofer can run on just 50 watts of power.

This powerful little subwoofer is ideal for smaller cars, and delivers tight, deep bass that really brings your music to life. Plus, with RCA extension wiring, you can easily hook it up to your car audio unit for maximum impact.


  • Compact design delivers great sound quality
  • Built-in amplifier with 8” x 5.25” woofer for deep bass output
  • Frequency range of 20 Hz to 200 Hz
  • Can run on just 50 watts of power


  • May be too powerful for some car audio units
  • Bass may be too deep and rich for some listeners

Alpine Electronics Pwe-S8 – The Best 120-watt powered 8″ Under Seat subwoofer

The Best 120-watt powered 8" Under Seat subwoofer

The  Alpine Electronics PWE-S8 subwoofer is one of the best subs on the market. It’s extremely efficient due to its built-in class D amplifier, which means that it doesn’t waste any electricity when it’s turned off. 

This amplifier comes with a variable low-pass filter, allowing you to set the cutoff frequency anywhere between 80 Hz to 200 Hz. Plus, the amp also offers a variable phase control which prevents ‘absent’ bass notes. In other words, you’ll be able to fine-tune the sound of your bass to perfection – and enjoy every thumping, heart-pounding note.

This subwoofer features a polypropylene cone that can withstand all the punishment you can dish out, meaning you can crank up the volume without worry. Plus, the rubber surround ensures that your music will always sound clear and distortion-free.

With an RMS of 120 watts, this subwoofer is sure to give your music the power it deserves. Plus, the amp and subwoofer are perfectly matched, so you don’t have to worry about finding a compatible amplifier. 

This subwoofer features an aluminum enclosure that is perfect for drawing heat away from the internal components of the amplifier, preventing heat damage. 

With a frequency response spanning from 32 Hz to 150 Hz, this little guy is capable of some serious bass reproduction. And thanks to the low-pass filter, you can dial out any distortion in the upper-bass region for truly clean sound.

Overall, the PWE-S8 is a great choice for anyone looking for an amazing subwoofer.


  • Efficient due to built-in class D amplifier
  • Variable low-pass filter for cutoff frequency control
  • Variable phase control for sound fine-tuning
  • Polypropylene cone for durability
  • Rubber surround for clear sound
  • Aluminum enclosure for better heat dissipation


  • May require compatible amplifier
  • May need additional installation components

Rockville RW10CA 10″ 

Rockville RW10CA 10

The  Rockville RW10CA is one of the best slim underseat subwoofers on the market.  It is CEA compliant, which means that the ratings are approved by a 3rd party. This ensures that the RW10CA will produce the power it says it will. The 800 watts of peak power and 200 watts RMS make this one of the most powerful subs available.

The smart circuit will sense that an audio signal is present and turn on your radio. When you turn off your music signal, the amplifier built into this subwoofer system will automatically turn itself off. This is a great feature that ensures the subwoofer doesn’t stay on and drain your battery. 

The high level input is the fastest and easiest way to install an aftermarket amp subwoofer combination. You simply use the high level input and wire it to one of your speakers. This makes installation a breeze.

The level control for the volume, subsonic filter, low pass crossover filter, phase control, and bass boost allow you to tweak the sound to your liking. This gives you a lot of control over how your music sounds.

Another great feature of the RW10CA is that all of the inputs and outputs are on one side. This makes wiring neater and easier.

Overall, the Rockville RW10CA is an excellent slim underseat subwoofer. It is powerful, easy to install, and has great sound quality. If you are looking for a high-quality subwoofer to add to your car audio system, the RW10CA should be at the top of your list.


  • 800 watts of peak power
  • 200 watts RMS
  • Smart circuit turns off when no audio signal is present
  • High level input for easy installation
  • Level control, subsonic filter, low pass crossover filter, phase control, and bass boost for custom sound
  • All inputs and outputs on one side for neat wiring


  • May take up a lot of space in car depending on design
  • Some people may not like how much control they have over the sound

Rockville Rws12ca 12″ Amplified Powered Car Subwoofer Enclosure

Rockville Rws12ca

The  Rockville SS8P is one of the best under seat subwoofers on the market. It has a slim design that makes it easy to install and it comes with a remote control so you can adjust the settings to your liking. The sound quality is fantastic and the bass is really deep. 

This subwoofer delivers an impressive 1200 watts of peak power output and 300 watts of RMS power, making it perfect for systems that need a little extra thump. 

The 12″ super slim subwoofer features an ultra stiff composite pulp cone with Kevlar reinforcement for outstanding durability, while the 3D molded acrylic dust cap ensures superior sound quality. The expanded and rolled steel basket provides strength and stability, allowing this subwoofer to handle even the most demanding bass tracks. 

It features a high density laminated foam surround, high power strontium magnet, and ultra saturated high BL motor structure for outstanding sound quality. 

This subwoofer features a vented core magnet motor structure for increased power and efficiency, and a 2″ high temperature aluminum voice coil that can handle high levels of stress. The 8mm washer & yoke plates provide superior durability, while the 13.6mm peak-to-peak x-max ensures that your music will sound its best. And with a whopping 70oz. of magnets, this subwoofer is sure to give you the bass response you crave.

This subwoofer features a magnet motor structure and super slim sealed MDF enclosure design, making it perfect for those who want great sound without taking up a lot of space. Aviation grade black tweet Carpet with embroidered logo and black texture synthetic Leather front panel give this subwoofer a high-end look, while the impedance of 4-ohms and frequency response of 38hz-500hz ensure that you’ll hear every bass note loud and clear.


  • Slim design makes for easy installation
  • Comes with remote control
  • Fantastic sound quality
  • Deep bass


  • May not fit in some car models due to slim design
  • Some users have found the bass to be too overwhelming
  • May cause rattling in some car models


Where should the underseat subwoofer be placed?

Under seat subwoofers are typically placed in the front passenger seat footwell, or in the rear passenger seat footwell. Many people find that the underseat subwoofer provides the best bass response when it is placed in the front passenger seat footwell.

Are underseat subs any good?

This is a difficult question to answer, as it depends on what you are looking for in a subwoofer. If you are looking for a subwoofer that will give you a lot of bass, then an underseat subwoofer is probably not going to be the best option for you. However, if you are looking for a subwoofer that will save space and still provide decent bass, then an underseat subwoofer may be a good option for you.

Is adding a subwoofer worth it?

The short answer is: yes, a subwoofer will definitely improve your car audio system. But it might not be necessary or worth the extra cost if you’re not an audio enthusiast. 

If you’re just looking for a basic upgrade from your stock system, then new speakers and an amplifier will probably give you the biggest bang for your buck. But if you really want to step up your car audio game, then a subwoofer is a must-have.

What is the smallest most powerful subwoofer?

There isn’t a definitive answer to this question as it depends on a number of factors, such as the size of the room, the type of music you enjoy, and your personal preferences.

However, many experts agree that a small subwoofer can still pack a powerful punch if it is properly designed and installed. In general, smaller subwoofers are more efficient than larger ones, so they can produce the same amount of bass with less power.

This makes them ideal for smaller rooms or for people who want to save space. If you are looking for a small but powerful subwoofer, be sure to do your research and read reviews to find the best option for you.

Can I use a sub without an amp?

Yes, you can use a subwoofer without an amplifier. However, you won’t get the full effect of the subwoofer without the amplifier. The subwoofer will still produce sound, but it will be muted and not as powerful as it could be. If you’re looking for the full effect of a subwoofer, we recommend using an amplifier.