9 Best 8 Inch Car Subwoofers [UPDATED 2021]


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Car Subwoofer acquires space in your car. But if you don’t want to give up that space but still want a subwoofer so that you can enjoy all the bass. First of all, it is unnecessary to put a big subwoofer for the best sound; a small size can also do the same. Small size subwoofers can work powerfully as long as they adequately meet the intended use. An 8 inch car subwoofer is the smallest size in the market and can quickly fulfill a giant subwoofer’s need. So, let us check out the Best 8 Inch Car Subwoofers available in the market. You can also check out 10-inch subwoofers.

As a bass lover, you want to buy the best 8 inch subwoofer that can give powerful bass with the best sound clarity. Before going more down, let’s discuss some essential components in a subwoofer, that you should keep in your mind before buying one.

Things to consider before buying 8 inch car subwoofers


Without any discussion, it is a mandatory thing. One should check the dimensions, the subwoofer’s size and predict the quality of bass provided by that. But you are here to find the best 8 inch subwoofer so that you don’t focus on this consideration.


It is a box-type that consists of subwoofers. And help to modulate sound. An enclosure can define the power of the bass and help to produce music sound with balanced bass. You will get three types of enclosure in the market,

  • Seales
  • Ported
  • Bandpass

The sealed enclosure gives the best quality and prevents the varying sound of the music from coming out. Sealed is the best enclosure type for a powerful bass provider subwoofer. A sealed enclosure will be satisfying for every bass lover.

Ported and bandpass are in-depth but not able to give that much high bass and sound quality. But both of them can be perfect for low-frequency sound. But if you love the most resonant bass in music, it will be best to choose a sealed enclosure.

You can also choose a subwoofer designed specially to work without an enclosure so that you don’t need an enclosure. 


Power plays an important role in determining the function quality of the subwoofer. It represented an RMS value; high RMS is a direction towards the increased bass. The high RMS valued subwoofer must have a matchable amplifier to get high-quality bass. And there is some subwoofer that contains a built-in amplifier.


You can understand it as sound pressure level or SPL. That determines how much power a subwoofer will acquire to make that given bass. Subwoofers with high SPL will not need much energy to produce powerful bass. You will see the sensitivity of each 8 inch car Subwoofer given below and can compare them. You can find your needs quickly and can take anyone of them.


It is the range of sound a subwoofer can produce. Basically, it depends on the enclosure. High frequency is a must thing for a high sound and can also fit with a powerful bass provider. All the small size subwoofers given below have frequency range with them. You can decide which one will be suitable according to your demand.


It is an electrical signal that improves audio and Fidelity. The amplifier and subwoofer should have similar impedance so that maintenance becomes easy. Impedance can be of different range, and you must check it before buying any car subwoofer, whether it is small or big. 

Those were some main things a body should check out first before buying any car subwoofer. But you are here to get the best 8 inch subwoofer. And I have listed those best 8 inch subwoofers that can save space, give powerful bass. You can take a view of them and then decide on your perfect 8 inch car subwoofer.

List Of Best 8 Inch Car Subwoofers in 2021

1. Rockville W8K9D4

Rockville W8K9D4 8 Inch Subwoofer

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  • Maximum power output 1000 W
  • RMS power 500 W
  • Frequency 48 Hz to 800 Hz
  • Sensitivity 1.2 dB

Rockville W8K9D4 is the smallest sized subwoofer that can give the best quality sound with powerful bass. It is a lightweight subwoofer. 2.7 kg can be easily stable and portable. Also have a polypropylene dust cap, that helps in resistance to blows and cracks. It will not need repairing or maintenance timely.

It can give the highest frequency up to 800 Hz that is more attractive. It gives an RMS of 500 watts that is a hint of the deepest and powerful bass. It can fit in any small size enclosure that it can be capable of balancing.

It is a long-lasting subwoofer. The holes help in ventilation, and have black stitching reinforcement. It could be the best small subwoofer that can give all the quality functions like a big-sized subwoofer.

Rockville W10K6D2 V2 10" 2000w Peak Car Audio Subwoofer Dual 2-Ohm Sub 500w RMS CEA Rated
  • Rockville W10K6D2 V2 K6 Series 10" Dual 2-Ohm Car Subwoofer. Peak Power Handling: 2000 Watts. Program Power Handling: 1000 Watts.
  • CEA Rated RMS Power Handling: 500 Watts. 2.5" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire. The wire we use is made in the USA!
  • It is one of the most important components to make the sub high quality and last longer. Double Stacked 100 Oz High Quality Magnet.
  • Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient. Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone.
  • Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion. Red Stitching Cone Reinforcement Ensures Long Life. Polypropylene (PP) Dustcap.

2. Rockford Fosgate P3SD2-8

Rockford Fosgate P3SD2-8

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  • Maximum power output 300 W
  • RMS power 150 W
  • Frequency 38 Hz – 250 Hz
  • Sensitivity 82 dB

Rockford Fosgate P3SD2-8 will save your car space during installation. It gives deep bass with high and clear sound quality and weighs around 3.9 kg. It has a double voice coil that helps in supporting various configurations for different applications. It will give up to 250 Hz that gives a high range for the sound, and doesn’t acquire much power.

It can provide nest sound quality with deep bass. A good ventilation system helps in the thermal breakdown and overheating protection—aluminum cones and dust cap help make it lighter and more comfortable to drive for maximum output.

Rockford Fosgate P3SD2-8 8" Dual 2-Ohm Punch Series Shallow Mount Car Subwoofer
  • The Rockford Fosgate P3S series shallow mount subwoofers deliver Punch, designed to deliver big bass in a tight space, with its low profile mounting depth design
  • The Punch P3SD2-8 is a slim 8” 2-Ohm DVC (dual voice coil) subwoofer with 150 Watts RMS / 300 Watts Max power handling and custom 10-AWG nickel plated push terminals
  • Featuring anodized aluminum cones and dustcaps, with a unique spider venting design to keep the motor cooler and a new hybrid stamp-cast basket providing super strength while minimizing weight and resonance
  • Optimized for both sealed and vented enclosures {Sealed (Vb): 0.25 cu. ft. (7.0 Liters) / Vented (Vb): 0.75 cu. ft. (21.2 Liters) / Mounting Depth: 2.66 in. (67.5 mm) / Cutout Diameter: 7.13 in. (181.0 mm)}
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller

3. Star Audio IX-8Skar Audio IX-8 D4 8"

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  • Maximum power output 300 W
  • RMS power 150 W
  • Frequency 30 Hz-350 Hz
  • Sensitivity 82.6 dB

It consists of an advanced airflow cooling design that ensures performance without burning out. It consists of a 2-inch copper voice coil that improves resistance to high temperatures.

It weighs around 3 kg that is helping to keep it easy. It is not a high powerful bass provider but can efficiently work for any soundtrack’s low-frequency sound. It can work with better quality, reliability, and performance. It gives an RMS output of 150 W that enables it to make powerful bass.

There is a feature of a single stack ferrite magnet with a paper cone. Star audio gives a better cooling system and performs without any trouble. It is the best 8-inch subwoofer that can make your sound the best. You will find it with all the facilities and can complete your real desires.

4. Boss audio CXX8BOSS Audio Systems CXX8 8 Inch Car Subwoofer

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  • Maximum poet output 600 W
  • RMS power 300 W
  • Frequency 49 Hz
  • Sensitivity 83 dB

It is a single voice coil subwoofer designed to give clean mid-bass, mid-range, and deep notes in the music. It weighs 2.09 kg that is lightweight and helpful in installation. It has a sealed enclosure.

Voice coil made up of aluminum with low density and corrosion resistance properties. You will get 300 W RMS power and 83 dB that is useful for a subwoofer. It is the best small size car subwoofer and will make your sound system more valuable.

Its resilient and durability make it a perfect sounding and long-lasting subwoofer.

BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually
  • Cone - Made from Polypropylene, The CXX8 8 Inch Car Subwoofer Provides a Resilient and Durable Material That Can Offer Great Sound with The Advantage of a Long-Lasting Subwoofer
  • Surround - Rubber has the ability to endure much punishment without any sign of damage. It complements the whole structure of the speaker by allowing constant abuse where it is most needed, without the wear and tear
  • Stamped Basket - A stamped basket can absorb and transfer much of the energy produced by the speaker. It has good corrosion resistance, good mechanical property, high thermal and electrical conductivity and retains strength at high temperatures.
  • Voice Coil - Our voice coils are able to withstand high temperatures yet maintain its strength and fatigue properties. Making our voice coils with this material gives our speakers the advantage of longer pay times with lower weights
  • Specs - Resonant Frequency: 49 Hz, Sensitivity SPL (1W/1m): 83 Db, Dimensions: 8. 25” x 8. 25” x 4. 3”

5. Planet audio Ac8dPlanet Audio AC8D 8 Inch Car Subwoofer

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  • Maximum power output 1200 W
  • RMS power 600 W
  • Frequency 39 Hz
  • Sensitivity 85 dB

It is the best 8-inch car subwoofer that can give powerful and clean bass. It also has aluminum construction in dual 2-inch voice coils. It has high versatility and clarity. Its multiple wiring configurations make it capable of handling continuous power of 600 watts with a peak of 1200 watts.

That allows it to produce deeper bass with a clear sound. It gives satisfying facilities like a car subwoofer and can provide the best quality voice. You will not find any disturbance in between sounds and can fully enjoy it.

That also consists of a dual voice coil. Around the cone, it has foam designed to deliver stability and performance. You can install this small size subwoofer in both sealed and ported enclosures.

Planet Audio AC8D 8 Inch Car Subwoofer - 1200 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually
  • CONE: Made From Polypropylene, The AC8D 8 Inch Car Subwoofer Provides a Resilient And Durable Material That Can Offer Great Sound With The Advantage Of Long Lasting Subwoofers
  • VOICE COIL: Our Voice Coils Are Able To Withstand High Temperatures Yet Maintain Its Strength And Fatigue Properties. Making Our Voice Coils With This Material, Gives Our Speakers The Advantage Of Longer Pay Times With Lower Weights
  • SURROUND: Foam is very flexible, providing the subwoofer with higher efficiency. This also translates to better excursion. (How far the cone of a speaker linearly travels from its resting position).
  • STAMPED BASKET: The stamped basket offers a strong and rigid platform allowing the listener to hear clean and clear music output
  • SPECIFICATIONS: Resonant Frequency - 39 Hz, Sensitivity SPL (1W/1m) - 85 Db

6. Massive Audio Hippo XL 84R-SPL

Car Subwoofer by Massive Audio HIPPOXL84R

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  • Maximum power output 1800 W
  • RMS power 900 W
  • Frequency 46.2 Hz
  • Sensitivity 78.58 dB

It can easily install in a small enclosure and save space. This subwoofer has a cast aluminum basket that helps to give it durability properties. There is also a double-stack high-energy strontium magnet structure. Massive Audio Hippo XL 84R SPL can give immense clarity and bass.

It weighs around 7 kg, and it provides a maximum power output of 1800 watts that help make music with high bass. You can adjust it in your small car space easily. You can take it for your sound system, and It has fantastic features as a small-size subwoofer. There is a temperature controlling management and consists of a voice coil of dual impedance also.

You can install it ii in a sealed enclosure box of 0.76 Cu-ft. It has a woven dust cap that uses reinforced fiberglass for decisive action. It will be the best small-size subwoofer if you buy it.

Car Subwoofer by Massive Audio HIPPOXL84 - SPL Extreme Bass Woofer - 8 Inch Car Audio 700 Watt HippoXL Series Competition Subwoofer, Dual 4 Ohm, 2.5 Inch Voice Coil. Sold Individually
  • SOLD INDIVIDUALLY | GREAT SOUND BUILT FOR COMPETITION | With features such as having a Large Magnet Size - Double Stacked High Energy Strontium Magnet Structure, and a Heavy Duty Rugged Industrial Textured Cast Aluminum Basket, and Over Sized Mirror Image Dual Poly / Nomex Spiders, the Hippo XL Series is one of the most popular Subwoofer Series used by countless high end Car Audio enthusiasts for big sound and high scores that toss the competition out of the ring.
  • FEATURES THAT MAKE IT THE BEST OF ALL 8 INCH SUBWOOFERS | Don't take the risk of buying Car Subwoofer Speakers that Snaps, Crackles, and Pops after short use due to Cones and Rubber that are as soft as butter. The HIPPOXL84 Subwoofer features Dual Impedance Black Anodized Voice Coil Former with Kevlar Spunlace, Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish, and Red Stitched Edge to the Cone’s Edge for Added Strength.
  • AMAZING DEEP BASS FOR ITS SIZE | "Sounds Good" is an understatement. The sound that comes out of this 8 inch Subwoofer Speaker will massively improve the sound quality of your car audio system. This 8-Inch Subwoofer of pure bass features 700 Watts RMS Dual 4 Ohm to 1400 Watts MAX, 2.5 inch Voice Coil. It's truly a Great Speaker at an affordable price!
  • CRANK UP THE VOLUME | Are you looking to replace your Factory Subwoofer? Look no further! This Car Subwoofer Speaker is guaranteed not to rattle in any high volume. With our Black Anodized One Piece Pole-Plate for Added Motor Force, Heavy Duty Direct Input Wires Connection to Voice Coils, Reinforced Fiberglass Woven Dust cap for High Power Applications, it's guaranteed to work better than the rest! Compare us to Pyle, Alpine, Kicker, JL, and you'll hear the MASSIVE difference!
  • MASSIVE AUDIO QUALITY GUARANTEED | Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers. Buy today, risk-free! ***Smallest Sealed Enclosure = 9" L x 9" W x 10" H

7. DS18 EXL-X8.2 DDS18 EXL-X8.2D 8-Inch Subwoofer

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  • Maximum power output 1200 W
  • RMS power 600 W
  • Frequency 38 Hz-1.0 kHz
  • Sensitivity not defined


It is the best 8 inch car subwoofer which can give all the best facilities like a giant subwoofer. It has a high grade reinforced carbon fiber dust cap that provides protection. It can be the best for bass lovers. This 8 inch car subwoofer can give the loudest and clearest sound.

Its features like sound quality, cooling management, etc. And the power it provides 1200 W makes it a better car subwoofer other than others. It is designed very beautifully and suitable as a mid-range bass booster.

You will be glad by using it with your sound system, and its features will blow your mind. It has an attractive design and looks. It gives a high-frequency response of up to 1 kHz that makes it unique. It also has a cooling system that protects against burnout.

DS18 EXL-10.2D 10-Inch Subwoofer,Dual 2-Ohms,1700W Max, 850W RMS- (1 Speaker) (EXL-X10.2D)
  • ⭐POWERFUL BASS YOU CAN COUNT ON - The EXL-X10.2D delivers impressive 1700W Max Power with 850W RMS at Dual 2+2 Ohm, once you hear it you'll finally realize what big, rich bass sounds like.
  • ⭐DUAL VOICE COIL (DVC) - Provides multiple options and flexibility to wire Parallel, Series, or Independent. While typical subwoofers have a single voice coil, the EXL
  • ⭐UNMATCHED ENGINEERING - The EXL series of subwoofers come with a red aluminum frame, DVC, a paper/glass fiber cone, black aluminum 4 Layer voice coil cover, and a treated foam edge to ensure top quality.
  • ⭐HIGH-QUALITY MAGNET - Settle for nothing but the best with 180 oz high strench double Ferrite magnets that produces a wider range of tones and can handle tremendous power at high volumes.
  • ⭐LOW FREQUENCIES AT THEIR BEST - The EXL-X10.2D pounds out all of the power you need and handles low frequencies Response such as 35Hz-1.2Hz like a true 10" subwoofer. This will make you a bass head!

8. Skar Audio ZVX- 8D2Skar Audio ZVX-8 D2

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  • Maximum power output 110 W
  • RMS Power 900 W
  • Frequency 40 Hz- 500 Hz
  • Sensitivity 4 dB

You can easily use it with a robust car amplifier and make the sound higher. A massive trip slug magnet, 2.5-inch high-temperature voice coil, and other features assure its excellence. It weighs 11.6 kg, it has 900 watt RMS to make high-quality bass and easily fit in your sound system.

You can save space in your car with it can make it a friend of your car music system. It would be best for the bass lovers who need music for a long time because it will not quickly burn out and run long. It makes your sound system more attractive and lovable.

Skar Audio ZVX-8 D2 8" 900 Watt Dual 2 Ohm SPL Car Subwoofer
  • 8-inch Dual 2 Ohm SPL Car Subwoofer
  • Peak Power: 1,100 Watts | RMS Power: 900 Watts
  • Competition Grade Pressed Paper Cone with Stitched High Roll Foam Surround
  • Massive Triple Stack Magnet | 2.5" Voice Coil
  • Sensitivity: 80.4 dB | Fs: 41.8 Hz

9. Kicker L7S84 L7SKicker L7S84 L7S 8" Subwoofer

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  • Maximum power output 900 W
  • RMS Power 450 W
  • Frequency 28 Hz- 100 Hz
  • Sensitivity 83.6 dB

You will get this subwoofer with ceramic magnets and a forged aluminum frame that boasts a larger cone and greater power handling to ensure you enjoy all the bass-rich sound. It can give the most precise sound without any interruption.

It has a weight of 11.6 kg and can sit in your system fast and make it more valuable by adding the best sound quality with the most resonant bass. It is a square-shaped subwoofer that has patented ribbon corners, which helps in distortion cancellation. It also has a heat dissipation system. You will surely be satisfied with its features and facilities.

Kicker L7S84 L7S 8" Subwoofer Dual Voice Coil 4-Ohm 450W
  • Kicker L7S84 8" 900 Watt Solobaric L7S Car Audio Subwoofer Solo-baric 44L7S8-4. Dual Four-Ohm Voice Coils. Injection-Molded Polypropylene Cone. Patented Corner Ribs Minimize Distortion.

Final Words

For the best 8 inch subwoofer, you have come to know about some basic things to consider, and you can choose any car subwoofer, but there you have got the best small size car subwoofers to find what you searched for. You can also check out our recommended best 10 inch subwoofers

Those were some of the best 8 inch subwoofer that will fulfill all the bass lovers’ requirements. That all can save space and can fit in a small enclosure. Except for the dimension, they all have the best features to give high sound clarity and powerful bass. That means you can enjoy music with high bass without adjusting a big subwoofer in your car. You can get the best small size car subwoofer for your sound system. 

I hope that was helpful for you and that I could give the best solution from my side. Now you can choose any one of these best 8 inch subwoofer and can enjoy bass. You can share it with your bass lover friend who can’t go for any trip without his car subwoofer that can give deeper bass to enjoy the music fully.

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