The 7 Best 15 inch Subwoofers Reviews

No matter what kind of music you're playing, how loudly or softly you like to listen, a quality subwoofer can enhance your overall listening experience and appreciation of your favorite music. Subwoofers are special speakers dedicated to reproduce only the lowest frequencies in your music; very low frequencies that most car speakers cannot reproduce.

Undeniably, car speakers — even high-end ones — aren't anything to write home about compared to car subwoofers — no matter the size of the sub — when it comes to bass reproduction. Granted, these speakers aren't designed for that. That's the reason why they have a hard time reproducing enough bass to give your music realism and depth it needs.

So, if you're wanting to feel that intense, spine-tingling impact of bass hitting your chest, then there's no substitute for a subwoofer.

There are a lot of different ways to add a subwoofer to your vehicle. However, which one is right for you depends on a lot of different factors, including your musical tastes, budget, and how much space you have available in your vehicle.

Additionally, car subwoofers come in a wide variety of shapes and sizes (ranging from 8 to 18 inch). For the purpose of this post, we'll be reviewing some of the best 15 inch subwoofers on the market.

Disclaimer on Our Best 15 Inch Subwoofers

This is not by any means a comprehensive list. There’ are tons and tons of great 15 inch subwoofers on the market (too many to possibly list). However, we did want to give you a few good options. These subs represent different brands, price points, and shapes. With any luck, you’ll find something that meets your needs and fits within your budget.

Rockford Fosgate P3D4-15 Punch P3 DVC 4 Ohm 15-Inch 600 Watts RMS 1200 Watts Peak Subwoofer
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
KICKER Stillwater Designs 11S15L72 15 in. Dual 2ohm Solo-Baric L7 Series Car Subwoofer, Black
Rockville K5 W15K5S2 15" 2000w 2 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated!
Rockford Fosgate P3D4-15 Punch P3 DVC 4 Ohm 15-Inch 600 Watts RMS 1200 Watts Peak Subwoofer
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
KICKER Stillwater Designs 11S15L72 15 in. Dual 2ohm Solo-Baric L7 Series Car Subwoofer, Black
Rockville K5 W15K5S2 15" 2000w 2 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated!
Peak : 1200 watts, RMS : 600 watts
Peak : 3000 watts ,RMS : 1700 watts
Peak : 2000 watts, RMS : 1000 watts
Peak: 2000 watts, RMS: 1000 watts
Frequency response : 22 - 250 Hz
Frequency response : 22 - 250 Hz
Frequency response : 18 - 100 Hz
Frequency response: 28.6Hz - 1.0 kHz
Nominal Impedance : Dual 4-Ohm
Impedance (Per Voice Coil) : 2 ohms
Impedance (Per Voice Coil) : Dual 2-Ohm
Impedance (Per Voice Coil): Dual 2-Ohm
Sensitivity : 86 dB
Sensitivity : N/A
Sensitivity : 89 dB
Sensitivity: 90.8 dB
Top-mount depth : 7-5/8"
Top-mount depth : 7-5/8"
Top-mount depth : 8-11/16"
Top-mount depth: 5.98”
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Rockford Fosgate P3D4-15 Punch P3 DVC 4 Ohm 15-Inch 600 Watts RMS 1200 Watts Peak Subwoofer
Rockford Fosgate P3D4-15 Punch P3 DVC 4 Ohm 15-Inch 600 Watts RMS 1200 Watts Peak Subwoofer
Peak : 1200 watts, RMS : 600 watts
Frequency response : 22 - 250 Hz
Nominal Impedance : Dual 4-Ohm
Sensitivity : 86 dB
Top-mount depth : 7-5/8"
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Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
Peak : 3000 watts ,RMS : 1700 watts
Frequency response : 22 - 250 Hz
Impedance (Per Voice Coil) : 2 ohms
Sensitivity : N/A
Top-mount depth : 7-5/8"
KICKER Stillwater Designs 11S15L72 15 in. Dual 2ohm Solo-Baric L7 Series Car Subwoofer, Black
KICKER Stillwater Designs 11S15L72 15 in. Dual 2ohm Solo-Baric L7 Series Car Subwoofer, Black
Peak : 2000 watts, RMS : 1000 watts
Frequency response : 18 - 100 Hz
Impedance (Per Voice Coil) : Dual 2-Ohm
Sensitivity : 89 dB
Top-mount depth : 8-11/16"
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Rockville K5 W15K5S2 15" 2000w 2 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated!
Rockville K5 W15K5S2 15" 2000w 2 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated!
Peak: 2000 watts, RMS: 1000 watts
Frequency response: 28.6Hz - 1.0 kHz
Impedance (Per Voice Coil): Dual 2-Ohm
Sensitivity: 90.8 dB
Top-mount depth: 5.98”
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Best 15 inch Subwoofers Reviews

Rockford Fosgate P3D4-15

When it comes to quality car subwoofers, Rockford Fosgate is probably one of the most legendary. Rockford Fosgate has been around for quite a long time. They've been in business for quite a long time and have mastered the art of making quality car subwoofers.

Rockford Fosgate offers a wide range of car subwoofes of different shapes and sizes. The subwoofer at hands - P3D4-15 - is one of the best 15 inch subwoofer that Rockford Fosgate has to offer.

It's a great value for the buck. It performs as good if not better than woofers 3 times its price.

With a powerful amplifier, this 15 inch subwoofer can get pretty darn loud and sound quite clean. So, if you're looking for some low deep bass and don't want to shell out several hundred dollars, this sub is a very good option to consider.

The Rockford Fosgate P3D4-15 has a sensitivity rating of 86 dB and can handle up to 600 watts on continuous basis (RMS). That's quite a lot of power. So, consider a powerful amplifier.

This Punch P3 subwoofer features a rigid anodized aluminum cone supported by santoprene surround, which allows it to hold its shape at high output levels and heavy play.

This 15 inch sub uses an advanced technique called VAST (Vertical Attach Surround Technique) to attach its over-sized rubber surround to the cone which increases the available cone area up to 25%, so this sub can push more air for even bigger bass.

Since this subwoofer can handle a ton of power, obviously it will generate a lot of heat. To dissipate that heat effectively, this subwooofer has some special venting that keeps the voice coils cool.

Additionally, its aluminum cone acts as a giant heat sink dissipating heat away from the copper-clad aluminum voice coils, so you get incredibly consistent bass performance even after hours of extensive play.

Rockford Fosgate P3D4-15 Specifications :

  • Size : 15"
  • Sensitivity    : 86 dB
  • Power-handling 
    • Peak    : 1200 watts
    • RMS    :  600 watts
  • Frequency response :  22 - 250 Hz
  • Nominal Impedance  :  Dual 4-Ohm
  • Top-mount depth : 7-5/8"

PROS

  • Sturdy and strong build 
  • Handles prolonged and intense music beautifully
  • PVC-textured magnet 
  • CEA-2031 approved 

CONS

  • Sound clarity suffers at high volumes or pressure 
Rockford Fosgate P3D4-15 Punch P3 DVC 4 Ohm 15-Inch 600 Watts RMS 1200 Watts Peak Subwoofer
  • The P3 Series is Rockford Fosgate’s best performing Punch subwoofer delivering reference quality bass in our most popular models
  • The Punch P3D4-15 is a 15” 4-Ohm DVC (dual voice coil) subwoofer with 600 Watts RMS / 1200 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
  • Best used in standard sealed or vented enclosures {Sealed (Vb): 1.58 cu. ft. (44.7 Liters) / Vented (Vb): 2.66 cu. ft. (75.3 Liters) / Mounting Depth: 7.58 in. (192.5 mm) / Cutout Diameter: 13.94 in. (353 mm)
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller
Power Acoustik MOFO152X

The Power Acoustik MOFO152X is another great, reasonably priced 15 inch subwoofer. However, being budget-friendly doesn't make it less powerful. Quite honestly, this badass beast can handle up to 1500 watts of power on a continuous basis (RMS). That's just insane.

Power Acoustik Mofo series subs are quite popular in SPL competitions. These subs are designed to play ridiculously loud.

That said, if you're on a tight-budget and you are looking for a competition 15 inch sub that can be heard from a mile away, shakes mirrors and license plates, then the Power Acoustik MOFO152X is for you.

The downside, however, is that the MOFO-152X is more about loudness than sound quality. This can be a major drawback for those seeking a good balance of both.

Please note that if you dont break the sub in over a few days period, you risk blowing it. That said, don't pound the hell out of it since day one.

What you want to do to steadily break in your sub­woofer is to play your music that has a heavy, con­tin­u­ous bass at medium or low volume for a couple days. After a short period of time, there won’t be any improvements with the sound quality. That's when it’s the right time to get crankin but don’t exceed your limits.

Power Acoustik MOFO152X Specifications :

  • Size : 15"
  • Sensitivity    : NA
  • Power-handling 
    • Peak    : 3000 watts
    • RMS    : 1700 watts
  • Frequency response :  22 - 250 Hz
  • Voice Coil(s)   :  Dual
  • Impedance (Per Voice Coil) : 2 ohms
  • Top-mount depth : 7-5/8"

PROS

  • Head-turning aesthetics 
  • Perfect for multi-sub installations 
  • Great value for the money 

CONS

  • Doesn’t perform well inside enclosures 
Power Acoustik MOFO-152X 15" 3000 Watt / 1400w RMS Car Subwoofer Sub MOFO152X
  • 15" Mofo X series 3,000 watt subwoofer . 1,400 watts RMS Rated . Size of each subwoofer: 15". Fs :29.999 . Qms :5.425. Vas :3.264. Xmax mm : 14.
  • Xmech mm :21. Qes :0.585. Re : 3.80. Znom :4. BL : 18.407. RMS Power :1400. Qts :0.528. SPL :87.382. V.C. ; Motor Volume :373 Ounces
  • Size (in.) : 3.0 . V.C. Imp :DVC 2 . Cut-out : 13.90 . Depth : 7.8 . Sealed :2.00 . F3 Hz :43.33 . Ported :3.00 . Port :4x12.
  • Tune Freq. (Hz) :36.42 . F3 Hz :37.44 . ~Cloth/Paper Composite Cone . Blue Cast Aluminum Basket w/ Diamond Cut Accents . Chrome Back Plate.
  • UV Coated Foam Surround . One Piece Rubber Gasket w/ Color Matched Inserts . Dual CONEX Spiders . Nickel Plated 8 ga. Compression Wire Terminal.
Kicker S15L72

Kicker is another great car subwoofer brand that makes some of the best car subwoofers. Kicker is a historic audio company with a great reputation.

They offer a wide variety of car subwoofers of different sizes and shapes. And most of their subs are reasonably priced.

Kicker is another great car subwoofer brand that makes some of the best car subwoofers. Kicker is a historic audio company with a great reputation. They offer a wide variety of car subwoofers of different sizes and shapes. And most of their subs are reasonably priced.

Its square design makes this subwoofer 20 percent larger than regular 15" round subs — larger cone moves more air for more bass.

The Solo-Baric L7 15-Inch subwoofer features a distinctive non-resonant cast-aluminum basket which provide a strong foundation. Additionally, its Santoprene rubber surround exerts tight control over woofer excursion, while its perimeter venting allow for heat dissipation and keep voice coils cool when the sub's under heavy load. Bass accuracy and performance is maintained, even at the highest sound pressure levels.

The Kicker S15L72 features a sensitivity rating of 89 dB and can handle up to 1000 watts RMS. It can be mounted in either a sealed or ported box, depending on your needs and musical taste. All in all, whether you prefer your bass tones to be tight and punchy, or just way deep and powerful, this subwoofer delivers big time.

Kicker S15L72 Specifications :

  • Size : 15"
  • Sensitivity    : 89 dB
  • Power-handling 
    • Peak    :  2000 watts
    • RMS    : 1000 watts
  • Frequency response :  18 - 100 Hz
  • Impedance (Per Voice Coil) : Dual 2-Ohm
  • Top-mount depth :  8-11/16"

PROS

  • Loud 
  • Handles heat well 
  • Beautiful

CONS

  • Expensive
KICKER Stillwater Designs 11S15L72 15 in. Dual 2ohm Solo-Baric L7 Series Car Subwoofer, Black
  • The newest square masterpiece is relentless, delivering more decibels with the patented Extra Cone area
  • As a solo-baric subwoofer, it uses KICKER most innovative concepts and technology
  • One-piece Solomon with full back bracing for toughness and zero distortion
  • Reliable stitched surround for minimizing Cone flex
  • Heat-dissipating, solid pole piece and high-temp Coil wire for longer woofer life
Rockville K5 W15K5S2

In case you want something powerful but also affordable, you might want to take a close look at the Rockville K5 W15K5S2.  

This is one of the more affordable 15-inch subwoofers on our list. Yet, at the same time, it’s one of the most powerful ones. Not to mention, it’s made out of high-quality materials. This is highlighted by the fiber-reinforced and non-pressed paper cone. This allows the speaker to run efficiently and produce loud sound even with just 500 watts of continuous power supply.   

For better flexibility with multi-subwoofer set-ups, it comes with four-layer aluminum voice coils with a two-ohm impedance.   

Although the basket design and thick foam surround are not unusual at this price range, it is a welcome feature. This helps to minimize sound distortion, especially at higher volumes.  

Rockville K5 W15K5S2 Specifications: 

  • Size: 15" 
  • Sensitivity: 90.8 dB 
  • Power-handling  
  •   Peak:  2000 watts 
  •   RMS: 1000 watts 
  • Frequency response:  28.6Hz - 1.0 kHz 
  • Impedance (Per Voice Coil): Dual 2-Ohm 
  • Top-mount depth:  5.98” 

PROS

  • Ideal for multi-subwoofer set-ups 
  • Efficient
  • Powerful

CONS

  • Doesn’t handle heat quite well 
Rockville K5 W15K5S2 15" 2000w 2 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated!
  • Features: Rockville W15K5S2 K5 Series 15" 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 to wind the voice coil is imported from Japan which is way better quality than the standard China wire, 60 Oz High Quality Magnet, Cast Iron Basket With Black Sanded Finish
  • Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it, Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion, Blue Stitching Cone Reinforcement Ensures Long Life, Paper Dust cap is light weight and efficient helping the sub to play louder even if your amp is not so powerful
  • Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire, Impedance: Single 2-Ohm Voice Coils, Vented Hole on T-yoke Enhances Heat Dissipation, Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet, Mounting Gasket with Rockville branding looks great and Makes it Easy To Mount the Subwoofer Air-Tight, High BL Magnetic Motor Gap
  • We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated, Cutout Diameter: 13.85 inches, Mounting Depth: 5.98 inches, Frequency Response: 28.6 Hz - 1.0K kHz, 6mm T-Yoke + 8 mm Washer, Sensitivity: 90.8dB, Sealed Enclosure Volume:1.5 – 2.5 Cubic Feet, Vented/Ported Enclosure Volume: 2.3 – 3.5 Cubic Feet, Weight: 13.4 Lbs., Shipping Weight: 15.4 Lbs., Shipping Box Dimensions: 16.53x 16.53 x 9.76 Inches
  • Detailed Info: Body: Non-Pressed Paper, Gap Plate Inside Diameter: 85mm (3.34 inches), Gap Plate Outside Diameter: 170mm (6.69 inches), Gap Plate Thickness: 25mm (0.98 inches), Yoke Outside Diameter: 156mm (6.14 inches), Yoke Thickness: 6mm (0.23 inches), Yoke Pole Diameter: 60mm (2.4 inches)
Kicker Comp 15 Inch 43C154 Car Subwoofer

Just one look and you just know that the Kicker Comp is a great 15-inch subwoofer.   

Luckily, the Comp does deliver.   

When it comes to durability, this subwoofer is made out of some high-quality stuff. This includes a polypropylene woofer cone with a full-on back bracing. This is on top of it being made out of a super-rigid and injection-molded material, by the way. Plus, the subwoofer is made to withstand the elements as the surround is UV-treated.   

Thanks to its frequency range of 25 hertz to 500 hertz, as well as 90.3-decibel sensitivity, there’s minimal distortion.   

While the 500-watt maximum power rating (and 250 watts RMS) might not seem like much, the fact that it’s so durable means that you can consistently power and expect it to perform well. But, still, if you’re looking for something powerful, this might not be for you.  

Kicker Comp Specifications: 

  • Size: 15" 
  • Sensitivity: 90.3 dB 
  • Power-handling  
  •    Peak:  2000 watts 
  •   RMS: 1000 watts 
  • Frequency response:  25 - 500 Hz 
  • Impedance (Per Voice Coil): Single 4-ohms 
  • Top-mount depth:  5.98” 

PROS

  • Well-built 
  • Deep bass 
  • Excellent box performance

CONS

  • Low power rating 
KICKER Comp 15" 500W Car Subwoofer 43C154 Single 4-Ohm Voice Coil
  • 500 watts max power; 250 watts RMS power
  • Impadance: Single 4 ohms
  • Sensitivity: 90.3 dB
  • Frequency response: 25-500 Hz
  • Super-rigid, injection-molded cone with 360-degree back bracing
QPower QPF15

The QPower QPF15 might look expensive, but that’s only until you check that each speaker can handle 2,200 watts of power individually and it’s sold as a pack of two.   

If you consider that, then the QPF15 is actually quite reasonably priced.   

The best part is that it doesn’t give up performance nor build quality to maintain this. In fact, it comes with a large foam surround and dual voice coils. These combine to make the subwoofers more flexible with a better and more well-rounded sound. It even comes with a built-in 90-ounce magnet with a chrome basket designed to fit even in tight spaces.   

To help with the expected overheating in limited mounting spaces, the QPF15 is designed to have vented air cooling. This means that, even if installed in relatively spacious areas, you can rest easy knowing that the subwoofer can handle long hours of playing time.   

Unfortunately, to get the most performance out of the subwoofer is that you have to put it inside an enclosure.   

Also, don’t even attempt to max it out. It most likely will blow out at 2,000 watts. 

QPower QPF15 Specifications 

  • Size: 15" 
  • Sensitivity: 89 dB 
  • Power-handling  
  •    Peak:  4000 watts 
  •   RMS: 1000 watts 
  • Frequency response:  25 - 200 Hz 
  • Impedance (Per Voice Coil): Dual 4-ohms 
  • Top-mount depth:  N/A 

PROS

  • Fits perfectly even in tight installations 
  • Designed to stay cool even at higher volumes 
  • Sold as a pair 

CONS

  • Subpar performance without enclosure 
Sale
QPower QPF15 15" 2200W Deluxe Series Dual Voice Coil Car Audio Power Subwoofer
  • SOLD EACH
  • 2200 WATTS
  • 90oz magnet
  • Dupont Fiber Spider with Vented Air Cooling system
CT Sounds Tropo

The CT Sounds is what you get if you want a decent upgrade to your car’s stereo system and you’re willing to spend a bit more.   

This isn’t to say that this 15-inch subwoofer is expensive. Rather, it’s just not cheap.  

For the price, you are getting what you pay for, which includes 600 watts of RMS power (peaks at 1,200 watts), dual voice coils with a 4-ohm impedance, and a heavy-duty steel basket frame. The said frame is also accompanied by a high-grade woofer cone, as well as a treated foam surround.   

As a bonus, the Tropo looks gorgeous in elegant black.  

Designed to deliver bass that’s clear and loud without overheating due to lack of airflow, the Tropo is a great upgrade that should give you your money’s worth. 

CT Sounds Tropo Specifications 

  • Size: 15" 
  • Sensitivity: 88.7 dB 
  • Power-handling  
  •    Peak:  1200 watts 
  •    RMS: 600 watts 
  • Frequency response:  N/A 
  • Impedance (Per Voice Coil): Dual 2-ohms 
  • Top-mount depth:  7.4” 

PROS

  • Design promotes maximum airflow 
  • Well-detailed sound 
  • Heavy-duty construction 
  • Fully Responsive and Customizable Touchscreen Interface

CONS

  • Minimal heat protection features 
CT Sounds Tropo 15” D4 Car Subwoofer | 600W RMS | 1200 Watt Max Power | Dual 4Ω | 2.5” Voice Coil | SQ and SPL | Our Most Versatile Car Audio Subwoofer | Massive Sound | Powerful Bass | Deep Low Notes
  • 🔊 POWERFUL: Packs a severe punch | RMS power 600W | MAX power 1200W | Produces high sound resonance | Best car subwoofer | Thunderous car audio subwoofer | Experience clean sound without distortions | Loud bass | Dual voice coils | 4Ω (Ohm) impedance | Handles tremendous power at high volumes | You’ll be blown away | Shipping weight – 21 lbs
  • 🔊 HARD-HITTING BASS YOU CRAVE: Delivers serious power with CT’s double stacked ferrite magnet - Y30 Grade, one of the kings in the magnet world | Tremendous motor/magnet force | Beefy car subwoofer speaker | Look no further, better than more expensive subs in the market | Powerful bass subwoofer for car | Classic competition design with no gimmicks
  • 🔊 HIGH-QUALITY COMPONENTS: Sturdy, heavy-duty, stamp steel basket frame | Surrounded by high durable treated foam | Beautiful finish | Competition grade cone reinforced with 3% Carbon fiber | Longer life span | Poly-cotton blend spider | Copper tinsel lead | 2.5” dual, high-quality CCA voice coil | 107 Oz Y35 Graded Double Stacked Ferrite Magnet | 12 Gauge Speaker connector | Cutout diameter: 361mm / 14.2”, Overall diameter: 391mm / 15.4” and Mounting depth – 188mm / 7.4”
  • 🔊 FABULOUS SOUND QUALITY: Produces deep low notes with pinpoint accuracy | Smooth & crisp sound | Must-have car audio subwoofer | Unique sound experience | Pure rocking quality | Packs a serious punch | Advanced air flow cooling design | Better quality sound | Best bang for your buck | Works great for both, sealed and vented enclosures
  • 🔊 BEAUTIFUL CRAFTSMANSHIP: Utmost attention to detail | Top performance | High-quality car subwoofer | The power and the beauty you seek | Aesthetically pleasing | Powerful car audio subwoofer | QUALITY - RELIABILITY - PERFORMANCE – AFFORDABILITY | Car Subwoofer

Conclusion 

And there you have it, the 7 best 15-inch subwoofers available today.  

Just a word to the wise, if it’s your first time doing this, just don’t do it.   

Installing car audio is no joke. There are many risks that come with it. It’s not just a blown speaker that you’re putting at risk. Bad wiring can cause fires that can engulf your car within minutes of it starting.   

This is why we recommend getting a professional to do it for you. Or, at the very least, a friend that’s done this multiple times before.   

In any event, 15 Inch Subwoofers are a massive addition to your car audio system. Expect to turn some heads as you roll down your neighborhood! That new earth shattering bass will be sure to shake things up! Enjoy! 

Last update on 2020-12-02 / Affiliate links / Images from Amazon Product Advertising API


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