10 Best Under Seat Subwoofer Review – Sound Box

Most compact cars don’t have much space to position the subwoofers in them. Just because of the low space, you don’t have to sacrifice the quality music. Instead, you can get the best under seat subwoofers to enjoy the quality bass and music at its fullest. The under seat subwoofer is small in size and comes with an in-built amplifier in a compact body. These subwoofers are easy to install under the seat, and they are better than the separate amplifier.

There is a common misconception that placing a subwoofer under the seat would kill its quality, but that’s wrong. According to your comfort, the best under the seat subwoofer can be placed anywhere in your car, driver’s seat, passenger’s seat, or back seat. However, finding the best under seat subwoofer can be tricky with the numerous models available in the market. That’s why we have selected the ten best sounding under seat subwoofers for your convenience.

Let’s read about these subwoofers to know more about them.

10 Best Under Seat Subwoofer Review

Table of Content:

1. Kenwood KSC-SW11 Compact Powered Subwoofer
2. Rockville RG212CA Dual 12 inches Slim Subwoofer
3. KICKER 8″ 150W Powered Car Audio
4. Rockford Fosgate R2S-1X10 Prime R2S Single 10-Inch
5. Alpine Electronics PWE-S8 Restyle 8-Inch Subwoofer
6. Alphasonik AS12DF 12-Inch 4-Ohm Shallow Mount Flat Subwoofer
7. Sony XS-AW8 8-Inch Under Seat Subwoofer
8. JBL Basspro Micro Subwoofer System
9. Pioneer TS-WX130DA Compact Active subwoofer
10. JL Audio CP112LG-TW1 with 12″ TW1 Subwoofer

In under seat subwoofer review, we will discuss the features and specifications of the top-rated products available in the market. It will help you in making the best choice according to your needs and requirements.

These best 10 under seat subwoofers are reliable and budget-friendly at the same time. So be focused and learn about these subwoofers by reading this article. Let’s see the features first.

1) Kenwood Compact Powered Enclosed Subwoofer for CAR

Specification	Featured Values
Size	8 Inch
Power Handling	150 Watt Peak; 75 Watt RMS
Dimensions	11 x 7.5 x 2.75
Frequency Response	35 – 125 Hz
Weight	6.17 Pound
Warranty	1-Year
Sensitivity	110 dB

• Aluminum Die-cast frame
• Noiseless sound
• Wired remote
• Line (RCA)
• Speaker level input
• NO extremal amplifier needed
• Compact Design

If your car space is limited and you intend to add some bass to your audio system, Kenwood under seat subwoofer would be the perfect pick for you. It is a low-profile compact subwoofer that can be placed in tight places, under a car’s seat Etc.

This 150 War subwoofer is the perfect device, and its high quality makes it durable and long-lasting. In addition, it is pretty easy to install and covers a lot less space than larger subwoofers.

Easy Fit:

It is difficult to fit the larger subwoofers in today’s compact cars to get good sound quality. But the Kenwood presents the best under seat subwoofer, which you can fit anywhere you want.

They are made to be placed at the passenger’s seat, but you put them below the back seats or truck anywhere you see fit. Its compact design takes less space.

Powered Subwoofer:

Kenwood is the best 8 inch under seat subwoofer if you want to reinforce your sound system’s bass without sacrificing much space in your car. The high bass quality surpasses all the subwoofers of its price range.

It comes with 150 Watt peak power and 75 RMS power amplifier, so you don’t need to buy an amp. The aluminium die-cast frame and noiseless sound make one of the best under seat subwoofers available in the market.

Sensitivity & Remote Control:

This subwoofer would attract you by its features like the highest sensitivity rating coming in at 110 dB. In addition, it means this subwoofer requires less power to deliver high bass than its competitors.

Moreover, like modern subwoofers, it comes with a wired remote control that allows you to adjust the base and sound at the driving seat. So it definitely, enhances your music experience.

Purchase Decision:

This subwoofer provides you with an easy fit and excellent sound and bass quality, along with the remote control adjustment from the driving seat. It is the best 8 inch under the seat subwoofer. Most importantly, it consumes a lot less power to deliver rich bass.

2) Rockville RG212CA Dual 12 inches Slim Vented Car Subwoofer 2000 Watt

Specification	Tested Values
Size	Dual 12 Inch
Power Handling	2000 Watt Peak; 500 RMS
Dimensions	29.52 x 15 x 6.65 Inch
Weight	Pounds

• Slim powered subwoofer enclosure
• 3D moulded acrylic dust cap
• Ultra-stiff composite pulp cone with Kevlar reinforcement
• Expanded and rolled steel basket
• High-density laminated foam
• Vented Core magnet motor structure

Rockville is considered the best under seat subwoofer dual 12 Inch on the market. It provides you with great bass and sound performance than expensive subwoofers available.

It has a peak power of 2000 Watts and 500 Watts RMS. This super slim subwoofer comes with a vented enclosure and amplifier, making it a more reliable and notable subwoofer.

Huge Sound:

This is the best under seat subwoofer with built in amplifier that provides an amazing Rockville significantly louder and more powerful than its competitors. In addition, the vented amplifier of this subwoofer produces more power.

In this model, you get two 12 Inch subwoofers, and this power is enough to shake your car and still can be heard two blocks away.

Slim Design:

This slim and sleek design of the subwoofer barely takes any space under the seat of your car. In addition, the vented closure of these subwoofers and amplifier optimally perform for this system.

In addition, the remote bass nob on your dashboard allows you to adjust the volume while driving. This is an under seat subwoofer box Silverado crew cab, which makes it more unique.

RCA and High-level Input:

There are both inputs in this subwoofer, RCA and high level. You can use the RCA inputs if your receiver has RCA outputs available. On the other hand, use high-level inputs if you don’t have RCA outputs available.

They are the best under seat subwoofer for deep bass at low volume, and their installation is quite simple and easy.

Purchase Decision:

It is the only dual 12 Inch subwoofer that provides everything you need and performs quite efficiently. In addition, it offers incredible sound quality and earthshaking bass, giving a new level to your music listening experience.

3) KICKER Under Seat Subwoofer 8″ 150W Powered Car Audio

Specification	Featured values
Size	8 Inch
Power Handling	150 Watt RMS
Dimensions	13.78 x 9.45 x 3.15 Inch
Frequency Response	25 Hz – 120 Hz
KickEQ Boost	+6 dB
Warranty	1-Year
Weight	13.55 Pound

• Surprising low frequency
• Tiny enclosure
• 150-watt built-in amplifier
• Velcro Fasten Nylon Straps
• Remote Turn-on
• High and low-level integration
• Excellent bass for your music

If you are not on a budget, we will recommend you the kicker under seat subwoofer. Its most impressive feature is its state of the art design and remarkable low-frequency output from a small enclosure.

This 8-inch subwoofer will provide you with the best listening experience. In addition, it will give you enhanced and intense bass performance in a compact car.

Moreover, it comes with a 150 Watt amplifier that hit low notes and add depth and punch to your favourite music.

Remote Control:

The kicker hideaway is the best rated under seat subwoofer, which offers you remote bass control to set the bass according to your taste and mood. In addition, you can volume up or down quickly while driving your car.

It provides you with wide tuning controls such as variable +6dB bass boost with adjustable low-pass, phase cancelling and automatic turn-on options.

Efficient Sound:

The sound quality of this best slim subwoofer under seat leaves every other subwoofer behind. It provides you with abstaining sound quality and enriched bass. This subwoofer is a blend of performance and capabilities, which anyone would expect from a tiny subwoofer.

In addition, the kicker comes with an in-built 150 Watt RMS amplifier that can provide you with a new experience of your favourite music.

Plug-and-play Performance:

The best under seat subwoofer offers you a new standard of plug-and-play, which enhances your music experience and improve bass performance. All of this in a small compact device.

This subwoofer can hit the lowest notes with the frequency range of 25 Hz to 120 Hz. Moreover, this best car under seat subwoofer comes with a 1-Year manufacturer warranty.

Purchase Decision:

This great subwoofer provides you with efficient sound quality and a 150 Watt RMS amplifier. It can hit the lowest notes due to the excellent frequency range. In addition, the rich bass system gives you a choice to adjust bass according to your taste.

4) Rockford Fosgate Shallow 10-Inch Best Truck Under Seat Subwoofer

Specification	Values
Size	10 Inch
Power Handling	200 Watt Peak Power
Dimensions	23 x 16.5 x 8.3 Inch
Frequency Response	35 – 125 Hz
Weight	14.85
Impedance	2 Ohms

• Enriched Bass
• Optimized for back seats or trucks
• Low noise port design
• Shallow loaded enclosure
• Covered with high-density carpet
• High current binding post

It is one of the best truck under seat subwoofers available in the market. You can also fit it in under the back seat of your car. This subwoofer is bigger than the other options in this list; still, it is a great option.

This subwoofer provides you with 400 Watt Peak power and 200 Watts RMS. At the same time, this is a slim design enclosure made for single cab trucks, but you can also fit it quickly under the car’s seat.

Small Enclosure:

Rockford is the most trustworthy name in the market when it comes to the best under-seat subwoofer. It comes in a slim enclosure design, which is made for a single cab truck and works for it better.

These shallow-loaded subwoofers can fit anywhere due to their slimline depth of 3.25 Inches and 5.25 Inches on the bottom.

High-Quality Bass:

The ported design of this best under seat subwoofer for bass works efficiently and provides you with distortion-free bass and sound quality. With this subwoofer, you will get Maximum power of 200 Watt.

Other subwoofers can’t produce the bass it does with the small enclosure. The 2 Ohms impedance is perfect and provides excellent sound performance.

Construction:

One of the most impressive features of this subwoofer is its box which is made of 5/8 inch MDF. It provides durability and reliability. This subwoofer can bear some shocks and jumps in the back seat of the car or truck. In addition, it is covered with high-density carpet, which protects it from dust.

Purchase Decision:

It will be a great pick if you want the jeep wrangler under seat subwoofer or for your back seat. Rockford will provide fantastic bass and sound quality you can wish for. In addition, it is a long-lasting and durable subwoofer that is not going anywhere soon.

5) Alpine Electronics Powered 8-Inch Ported Subwoofer

Specification	Values
Size	Dual 8 Inch
Power Handling	120 Watt RMS
Dimensions	13.5 x 9 x 3 Inch
Weight	10 Pound
Frequency Response	32 Hz to 150 Hz
Variable Low Pass Crossover	80 Hz to 200 Hz

• Durable construction
• Enrich Bass
• Powerful Sound Quality
• Compact and suitable for under seat of truck
• Class D built-in amplifier with controls
• Speaker level input and automatic turn on

Alpine is a ported under seat subwoofer box which offers you a new level of sound and bass experience while taking a compact space in your car. It has a durable construction and cast metal enclosure for rough rides.

Moreover, this subwoofer offers you robust sound quality in less space using an in-built amplifier of 120 Watt. In addition, you get overall accessibility and control over your sound and bass from the driving seat.

More Bass Less Space:

It is a 13.5-inch-wide and 9-inch tall subwoofer which is the best under seat subwoofer and leaves the most audible impact on your sound system. In addition, Alpine’s PWE S8 is 3-inch deep which gives you more bass than you would think.

This compact size sub is easy to install under the back seat of your car or truck. But, of course, you can also keep it under the trunk of your vehicle.

Powerful Sound:

Despite the small size of this sub, the Alpine has the most powerful sound and bass regarding its size. It uses a Class D amplifier which is rated 120 Watt and delivers a string bass output.

The side panel of this sub gives you access to the amplifier’s controls for gain, phase, and more. But, more importantly, you can connect it with all audio systems available in the market.

Durable Construction:

It is made of a rugged, cast metal enclosure perfect for rough roads and protects the subwoofer inside.

Whether you want to install the Alpine subwoofer under the seat or your trunk, it is designed for high performance and durability. Moreover, it allows you to control your bass level from the driver’s seat with a wired remote nob.

6) Alphasonik 12″ 1500 Watts Best Under Seat Subwoofer 2021

• Shallow mount Flat enclosure
• Optimize bass response
• Sleek Design
• Durable MDF wood construction
• Spun Aluminum cone
• Most powerful bass

Specification	Values
Size	Dual 12 Inch
Power Handling	500 Watt RMS; 1500 Peak Power
Dimension	20.47-inch x 6.7-inch x 14.1-inch
Weight	15 Pound
Frequency Response	26 Hz to 500 Hz

The spun aluminium cone surrounded with rubber gives you a deep and dynamic bass. This 4-Ohms sub comes with a copper wound voice coil and a shallow mount flat enclosure that is perfect for tight space.

Durable Enclosure:

Alphasonik is one of the best subwoofer enclosures made of spun aluminium cones and high strength rubber EPDM enhanced surround. It makes it a more durable and most reliable sub-woofer.

It can bear lots of hits and is specifically made for rough roads. This is the best under seat subwoofer box design, which can fit anywhere you want. Of course, it would be best under the back seat of your car, and you can also keep it in the car’s trunk.

Enhanced Sound:

This best budget slim under seat powered subwoofer comes with the most enhanced sound. This sub works at the 500 Watt RMS, which is perfect for any subwoofer, and it can go up to 1500 Watt max.

With the copper wound Kapton Voice Coil, you get the maximum bass and fantastic sound quality. This subwoofer promises you the best sound performance of your life.

Frequency Response:

With this sub, you won’t miss a single tone because of its remarkable frequency response. Yes, it comes with the 26 Hz to 500 Hz’s unique frequency and allows you to listen to each music tone.

With the 92 dB sensitivity, you get fantastic bass and sound quality. These qualities make this best under seat size subwoofer for cars.

Purchase Decision:

If you are looking for an enhanced sound quality subwoofer, then Alphasonik would be a great pick. It provides you with rich bass and a durable enclosure, making a perfect combination. In addition, you get the lowest notes in the fantastic frequency range.

7) Sony 8-Inch Best Under Seat Subwoofer with Wired Remote Control

Specs	Tested Values
Size	8 Inch
Power Handling	160 Peak; 75 RMS
Dimensions	16.5 x 13.7 x 6.5 Inch
Frequency Responseb	50 Hz to 150 Hz
Weight	10.71 Pound

• Ultra Sleek Body
• High-level input
• Distortion-free sound
• Single-sided, controls and tuning
• Solid and durable built
• Remote Controller

Sony’s name always pops up when you talk about reliability and performance. This powered best under seat subwoofer Sony comes with an ultra-sleek shallow subwoofer. It fits where you can’t fit big subwoofers.

Most importantly, these subwoofers make a bit of compromise on the quality of the sound or bass. This machine is designed for high power performance and provides you with natural and distortion-free sound at high output levels.

Dynamic Bass & Sound:

This best under seat subwoofer comes with a peak of 160 Watt and perform best at 75 Watt RMS. It gives you clean, dynamic bass and high sound quality with the original power IC.

In addition, you don’t have to buy an amplifier because you get it in-built in the subwoofer. However, it is recommended to put this subwoofer under the back seat of your car to increase the low-end bass performance.

Ultra-Sleek Shallow Subwoofer:

If you are driving a compact car, this would be the best under seat amplified subwoofer. Its ultra-sleek body can fit anywhere you want and fit in tiny spaces of your car, and still provide powerful bass sound in the whole car.

It allows you to connect with all audio systems, old and new, without compromising its sound and bass quality. In short, this sleek and slim subwoofer provides you with easy installation and outstanding sound simultaneously.

Wired Remote Control:

Sony always comes with innovations and new ideas to satisfy its user’s needs. This subwoofer comes with a wired remote control that helps the user adjust the subwoofer’s volume from the driver’s seat.

Moreover, this reliable subwoofer is a solid construction built with the best components assembled by Sony. You would not regret your investment in this subwoofer because Sony is considered the vehicle audio and video leader.

Purchase Decision:

If you want to level up the sound experience of your car, go with Sony’s best subwoofer for under seat. It provides you with remarkable sound and bass quality, along with a sleek and slim body to fit anywhere in the car.

8) JBL Under Seat Subwoofer Basspro Micro

Specs	Values
Size	8 Inch
Power Handling	140 Watt RMS
Dimensions	16-3 x 7 x 10-7/8 Inch
Frequency Response	35 Hz – 120 Hz
Sensitivity	100 dB

• Sleek Appearance
• Powered subwoofer with ABS plastic box
• Built-in Class D amplifier
• Quick-release
• Deep and powerful bass
• BassPro Micro Subwoofer enclosure
• Speaker level and line-level inputs

JBL under seat subwoofer BassPro Micro is an ultra-compact and powered subwoofer. Its jaw-dropping bass performance is unbelievable, considering its small size.

It includes speaker-level and line-level inputs, allowing it to connect with the car’s existing audio system easily. Therefore, we can assume that it is the best compact under seat subwoofer.

The in-built 140 Watt RMS Class D amplifier gives you an excellent experience and extra cargo space. But, more importantly, it is made to place under the seat in compact cars and docked enclosure to the permanent ampler base.

Deep Powerful Bass:

The BassPro subwoofer comes with ultra-compact subwoofers that give you outstanding, jaw-dropping bass performance. Don’t go on its size; it is one of the best under seat subwoofers available in the market.

It has a fantastic sound quality, and you will get a new touch in all your favourite songs. In addition, it provides you with deep, powerful bass, which will leave you amazed.

In-built Amplifier:

With JBL BassPro, you don’t need to buy a new amplifier. Instead, this fantastic under seat subwoofer comes with a high-quality Class D amplifier.  The 140 Watt RMS amplifier and subwoofer deliver you 100dB at 10 feet.

High and Low-Level Inputs:

This 8-Inch powered subwoofer is designed to be compatible with almost every type of car audio system. It contains speaker level input for factory OEM systems or line-level inputs for high-end aftermarket audio systems.

In addition, it comes with four-channel high-level input to ensure non-fading bass. More importantly, it provides you remarkable frequency range between 35Hz to 120 Hz and contains the best underseat subwoofer reviews.

Purchase Decision:

JBL comes in one of the top manufacturers that make specialized audio accessories for vehicles. This 8-Inch subwoofer provides you high-tech amplifier which can connect you with almost every audio system without compromising sound quality.

9) Pioneer Under Seat Subwoofer Compact Active

• Aluminium cone design
• Class D amplifier
• Digital Bass Control
• Installation flexibility
• Wired remote control
• Extremely compact body

Specs	Values
Size	Dual 8 Inch
Power Handling	160 Watt Peak; 50 Watt RMS
Dimensions	7.8 x 11 x 2.75 Inch
Weight	7.26 pound
Frequency Response	20 Hz to 200 Hz

Pioneer under seat subwoofers is considered top-notch because they are decently adequate and have brilliant performance. They make the best audio tools for vehicles and have started a revolution in the woofer’s industry.

This subwoofer is a little expensive, but it provides you with clean, deep and seamless sound. The aluminium Cone, urethane surround and built-in amplifier provides filtered but deep, high-quality bass and sound.

Compact Body:

It is excellent under seat subwoofer, which comes with a compact body to fit comfortably under the seat of a car without affecting its performance. In addition, its aluminium cone design makes it more durable and offers a deep base.

In addition, it comes with a urethane surround which provides you fantastic sound quality and promises dynamic and rich bass making your music experience even better. More importantly, it plays at the frequency of 20 Hz to 200 Hz.

Digital Bass Control:

Pioneer gives you a remarkable in-built 160 Watts Output Class-D Amplifier, which can connect with any audio system, new and old. It makes this subwoofer brilliant and improves your music listening experience.

Furthermore, it comes with a digital bass control which offers you absolute control on the bass setting. It has two different modes, including Depp and Dynamic, which increases sound performance, and you can select it according to your mood.

Complete Control:

This compact active subwoofer provides you even more than you can think. It gives you optimal control over your subwoofer with the wired remote control, which you can use to adjust the volume and bass from the driver’s seat.

This remote offer your different settings, including gain, phase, LPF and bass mode. The 50 Watt RMS and 160 Watt max power provide you with the optimal.

Purchase Decision:

Were you looking for an affordable, reliable and best under seat subwoofer for car. Then, Pioneer is the most accurate subwoofer for you. It offers you a compact body, digital bass control and wired remote control with an inbuilt amplifier.

10) JL Audio Under Seat Subwoofer Micro sub Ported Enclosure with 10″

Specs	Tested Values
Size	10 Inch
Power Handling	400 Watt Peak; 75 RMS
Dimensions	23.5 x 15.59 x 10.2 inches
Item Weight	27.9 pounds
Impedance	2 Ohms

• Low profile Enclosure
• Black carpet finish
• Black steel mesh grille
• Remarkable output
• Ported Subwoofer
• Medium-density fiberboard

If you are interested in 10″ subwoofers, the JL audio under seat Subwoofer would be a great choice. It offers you the 75 Watt RMS and 400 Watt peak power which is remarkable at this price range.

It provides you 2-Ohms impedance, which makes it better than other subwoofers of this range. In addition, it is made of medium-density fiberboard construction, making it a durable and trustworthy product. It provides you distortion-free music sound and bass quality which enhances your music experience.

Ported Enclosure:

It is the best 10 inch subwoofer for under seat box, which has ported enclosure. It provides excellent airflow, which prevents the heat in the subwoofer. Moreover, this subwoofer has a steel-mesh grille which makes it distortion-free.

In addition, this subwoofer consumes very little power but provides you with greater sound quality.

Construction:

This impressive subwoofer is made of a medium-density fiberboard which is commonly found in high-quality subwoofers. It is one of the most durable under seat powered subwoofers available in the market. As mentioned above, the steel mesh and ported closure also make it very reliable.

Powered Subwoofer:

JL Audio is the perfect subwoofer because of its power handling. Its max power is 400 Watt while the RMS is only 75 Watt. Several happy users reviewed it a one of the best under seat subwoofers.

This little beast comes with 2 Ohms of Impedance. In addition, the manufacturer provides a 2 –Year warranty on all parts of this subwoofer.

Purchase Decision:

It is a bigger subwoofer than the normal under seat subwoofer in the market. As a result, it has more handling power and consumes less energy. But, at the same time, it provides you with a unique and loud sound.

Buying Guide for the Best Under Seat Subwoofer

If you have finally decided to get the best under seat subwoofer, you should be aware of a couple of things. First, you need a sub with a built-in amplifier to get high-quality and low-end frequency output, known as bass.

There are some more factors which you should keep in mind before purchasing these subs. To know them you must read the guide carefully.

Size of Subwoofer:

The size of the subwoofer is the most critical factor you should bear in mind while making a purchase. In addition, its cone also plays a vital role in the overall capabilities to produce sound and bass.

Are you in need of the best under seat subwoofer design, then you have to explore its size at the same time. To buy the best under seat powered subwoofer, you should choose from 8-Inch to 12-Inch in size. The 10 inch under seat subwoofer will fit easily and do their job perfectly.

Power Rating:

To get the best powered under seat subwoofer, you need to know about the power ratings. There are two types of power rating one is RMS, and the other is peak power.

Both of these ratings are important, and you should choose the power rating for your sub very carefully.

Frequency Range:

Power capacity is also essential, but a subwoofer should also be able to differentiate between different notes. You should get a subwoofer with a wide frequency range.

As low as the frequency range, as more notes, a subwoofer can pick for your music and provide you remarkable sound performance.

Built-in Amplifier:

As mentioned above, a built-in amplifier is most important because the subwoofer requires a lot of power to operate. The amplifier will make sure that your subwoofer is getting the necessary power to play correctly.

The built-in amps are already tested and perfect rather than external amplifiers. That is why the best subwoofer under seat would have it’s a built-in amplifier.

Benefits of Best Under Seat Subwoofer

Getting the best under seat subwoofer has its benefits, which no one can deny, including space-saving. Known more benefits of under seat subwoofers below:

• Compact and save lots of space in the car.
• Provide you with quality sound and bass.
• Durable enclosure for more bass and higher sound quality.
• They are the best budget slim under seat powered subwoofer.
• They come with digital bass control.
• You can control the sound system from the driver’s seat
• These subwoofers consume very little power

Kenwood KSC-SW11 Compact Powered Subwoofer is the best under seat subwoofer with the most reliable features. This subwoofer offers you high sound quality and deep bass and gives you a new sound experience. The built-in amplifier and impressive power rating make it a unique and durable subwoofer. In addition, it is best under seat subwoofer for money. Finally, it has the best enclosure, which keeps it protected from rough and unstable roads. Moreover, it comes with an intimidating frequency range; there is no chance that you can miss any note of your favourite music. Furthermore, this provides you with dynamic bass and minimum noise distortion.

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