Best 15 Inch Subwoofer Of 2018 & Buying Guide

Car speaker technology and sizes have evolved over the years. Unlike before, you do not have to limit your in-car audio experience by sticking with the smaller speaker sizes. Well, most people will argue that size does not matter, but that’s not entirely true.

15-inch car subwoofers have rocked the market. These monster speakers will transform your bass experience to a whole new level. It is not a misconception that you need a 15-inch speaker to get greater bass. You will, in fact, get the best bass quality.

The list of the best 15 inch subwoofer reviews provides you with reliable buying information. You can use the list to compare products and choose the one that best suits your in-car audio performance requirements.

Things to Consider Before Buying

You should know that the larger the surface area of the cone, the more area it can disperse sound and the louder it will be. Larger subs, such as the 15-inch models are better for SPL systems. Basically, larger subs have larger motor structures.

So, you have to be really into larger woofers because they are heavier, bigger, and generally difficult to control. To make sure that you have better control of what the sub is outputting, you have to make sure that the sub has a good balance of output and punch.

What is the ideal power handling?

One of the most distinctive features of larger subwoofers is the power handling. These beasts have enormous power ratings. Most of them have rating in terms of thousands. 

  • You can find a model with 5000 watts peak power and 2000 watts RMS power.

You have to make sure that the RMS or continuous power is close to the power ratings of your amplifier. A 2500-watt amplifier will be able to power a subwoofer with a continuous power rating of 2000 watts. This ensures that your sub operates effectively.

How does a high-quality design look like?

The best 15-inch subwoofer design has to be radical and be able to offer you the clearest and loudest bass sound. For high performance and power handling, the subwoofer design must be based on superior bass technology.

What you will observe with larger subwoofers is the unique cone, surround, and design material. Unlike smaller subwoofer models(like 6.5 inch), 15-inch subs have a wider and deeper cone design. The surround is usually pushed towards the top.

One of the most recommended surround materials for larger speakers is Santoprene. This is a very flexible and durable surround material. Unlike other materials, Santoprene is highly tear-resistant. It prevents the surround from ripping under heavy usage.

Santoprene surrounds are known to be long-lasting. They can survive harsh environments without damage. You should not expect the surround to wear out and tear even if your car is usually exposed to sunlight most of the day.

Durability also depends on how the surround and cone are linked. Therefore, the best model should have a ribbed surround. This will give the woofer cone added strength and higher excursion. It also improves the linearity of the cone.

Is the subwoofer ergonomic and user-friendly?

You can get the best performance out of your subwoofer, if you can use it without any problems.  The best model should not be difficult to mount. In fact, the most thoughtful manufacturers will supply you with a manual that provides the necessary installation tips.

A 15-inch subwoofer with push-spring terminals is very resourceful, because they are very solid and secured compared to the conventional terminals. The spring part of the terminal will make installation easy.

The best model should have a very strong and well-built basket that is integrated with coil cooling and perimeter venting. The spider has to be incorporated with tinsel leads, which should be stitched and glued to the spider roll for reliable performance, reduced noise, and added strength.

A good 15-inch sub ought to have a progressive roll spider. This kind of tech keeps stress away from the glued connections of the spider landing. This feature also helps the subwoofer last longer, and improves on durability.

As far as voice coils are concerned, you have to consider a 15-inch subwoofer with dual voice coils, which are made of high-temp copper windings that are very much capable of handling extreme power levels for a long time without overheating.

The best voice coil structure should give you more wiring options when setting up your system. The most appropriate large subwoofer for shallow mounting ought to have a perimeter venting on the sides. This way, you can use a shallow enclosure without the risk of overheating.

The recommended enclosures for 15-inch subwoofers are large boxes. If at all possible, you should use a big ported box to achieve lower bass. You can always use a smaller sealed enclosure if you do not have enough space for a ported box.

Top 5 Best 15 Inch Subwoofer Reviews

1. Rockford Fosgate P3D4-15 15-Inch Subwoofer Review

Product Highlights

  • 15-inch subwoofer
  • Dual 4-ohm voice coils
  • 7-5/8-inch top mounting depth
  • 86 dB sensitivity
  • 22 Hz to 250 Hz frequency response
  • 1200 watts max, 300-600 watts continuous power handling
  • Vertical attach surround technique
  • Hybrid StampCast basket
  • Anodized aluminum cone
  • Santoprene surround
  • 66 Cu. Ft. Ported enclosure
  • 5-3.0 Cu. Ft. Sealed enclosure

The Rockford Fosgate P3D4-15 is a well-built Punch Series subwoofer engineered to deliver sonic excellence. This redesigned subwoofer system is the best low-frequency 15-inch driver for the money. It offers some of the most amazing features that can hardly be found in competing models.

The sub’s front structure has a nice trim ring that you can detach to observe the surround and the cone. It has a new cone and new dust cap. The cone is made of anodized aluminum, which is better quality than the previous cone material.

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Then you have the high-roll Santoprene surround for exceptional excursion. Rockford has integrated the woofer with a hybrid StampCast basket that minimizes resonance and weight; while providing strength the unit with strength.

The sub has enhanced motor cooling by installing the unique spider venting system. This, along with the cone and surround ensure that the subwoofer does not suffer from overheating. These features do improve the sub’s durability.

Unlike other competing models, the Rockford Fosgate P3D4-15 is integrated with the Vertical Attach Surround Technique. This feature increases the cone area and improves your nominal efficiency and maximizes output.

2. Kicker 10CVR154 15 CompVR 4 Ohms DVC Subwoofer Review

Product Highlights

  • 15-inch subwoofer size
  • Dual4-ohm impedance
  • 1000 watts peak, 500 watts RMS power handling
  • 8-1/16-inch top mounting depth
  • 2 dB sensitivity
  • 25 Hz to 500 Hz frequency response
  • Ribbed Santoprene rubber surround
  • Injection-molded polypropylene cone
  • 0-5.0 Cu. Ft. Ported enclosure
  • 8-5.2 Cu. Ft. Sealed enclosure

The Kicker 10CVR154 15 CompVR is the ideal 15-inch subwoofer to buy if you are in need of deep bass. This is a high power subwoofer system engineered for effective bass reproduction. You do not need a big budget to buy this sub, because it is affordable.

The sub’s design is excellent, featuring injection-molded SoloKon cone, which is very good at retaining stiffness and is less affected by vibrations. Along with the cone, the sub is fitted with a ribbed Santoprene surround for excellent excursion.

The strength of the cone and surround is enhanced by double stitching and strong adhesive. This makes sure that the surround and cone do not come apart regardless of the bass they produced. The strength of the entire system is also improved by the heavy-duty basket.

Kicker ensured that the woofer is distortion-free by integrating the sub’s structure with a progressive-roll poly-cotton spider and 360-degreee back bracing. The high-temp voice coil ensures that the sub’s ability to reproduce sound is consistent.

As far as bass quality is concerned, the Kicker 10CVR154 15 CompVR is very capable of producing deeper bass of up to 25 Hz. The sub’s efficiency is amazing, reaching volumes of up to 89.2 decibels.

3. Alpine Type-R SWR-1542D 15-Inch Car Subwoofer Review

Product Highlights

  • 15-inch subwoofer
  • Dual 4-ohm impedance
  • 2000 watts max, 750 watts RMS power range
  • 2-inch mounting depth
  • 20 Hz to 400 Hz frequency response
  • Kevlar reinforced pulp fiber cone
  • Injected-molded Santoprene surround
  • Nomex spider
  • High-temp voice coil
  • Compound radius curve motor
  • Cast aluminum frame
  • Concealed mount gasket system

The Alpine Type-R SWR-1542D is the best 15-inch car sub with noteworthy power handling. It can handle 2000 watts maximum power, and 750 watts continuous power to transform your in-car bass experience. It recommended power range is 400 to 700 watts.

This 15-inch car subwoofer features Kevlar reinforced pulp fiber cone and injected-molded Santoprene surround. A combination of the surround and reinforced cone offer first-rate excursion and linearity for good bass reproduction.

The sub is installed with two 2-inch voice coils that drive in surplus power, and also provides flexibility in the system wiring. The design tinsel leads are interlaced into the spider making them unbreakable.

The sub’s long-lasting durability is attributed to aluminum die-cast frame, which provides a non-resonant, secure casing for the entire system. The strong and heavy-duty frame structure ensures that the sub can withstand harsh environments.

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4. Rockford Fosgate P1S4-15 Punch P1 SVC 15-Inch Subwoofer Review

Product Highlights

  • 15-inch subwoofer size
  • Single 4-ohm voice coil
  • 500 watts peak, 250 watts RMS power handling
  • 5 dB sensitivity
  • 7-inch top mounting depth
  • 23 Hz to 250 Hz frequency response
  • Vertical Attach Surround Technique
  • Hybrid StampCast basket
  • Nitrile-butadiene rubber surround
  • Kevlar reinforced paper cone
  • 66 Cu. Ft. Ported enclosure
  • 3-3.5 Cu. Ft. Sealed enclosure

The Rockford Fosgate P1S4-15 is one of the Punch Series subwoofers from Rockford Fosgate. As a member of the Punch Series, this sub system lives up to its name. If you are obsessive deep bass sounds, then this is the right subwoofer for you.

This subwoofer system has a single 4-ohm impedance with a continuous power handling of 250 watts, and a max power handling of 500 watts. The RMS power will keep you entertained while listening to all your music genres.

It generates an incredible bass sound that puts every object in motion in your car. Rockford has done a remarkable job of stitching the tinsel leads to the sub’s spider. The stitching technique minimizes fatigue, while improving the performance and reliability of the subwoofer.

The efficiency of this Punch Series Rockford sub is improved by the anodized aluminum voice coil. The high-temp coil does effectively dissipate heat to avoid overheating. This helps the sub cool down throughout high SPL conditions.

5. CT Sounds TROPO D4 15-Inch Car Subwoofer Review

Product Highlights

  • 15-inch subwoofer size
  • Dual 4-ohm impedance
  • 900 watts peak, 450 watts RMS power handling
  • 4-inch mounting depth
  • 7 dB sensitivity
  • FS is 36.058 Hz
  • 2-inch voice coil
  • Y35 graded ferrite magnet

The CT Sounds TROPO D4 car subwoofer is another good addition to your in-car audio experience. Its rugged design is well-suited for harsh environments and better reproduction of low-frequency sound compared to competing models.

Unlike most conventional car subwoofers on the market, the CT Sounds TROPO D4 is affordable and highly rated by those who have experienced its high-performing features. This system will transform your preference of deep bass sounds.

The sub’s dual 4-ohm voice coils guarantee strong impedance output and excellent sound quality. The 450 watts of continuous power and 900 watts of maximum power ensure that the subwoofer performs superbly.

The improved resistance of the sub damps any unwanted sound harmonics. This makes certain that your car is only filled with entertaining and satisfying music. Another magnificent design feature is the strong basket frame, which secures the sub during sound reproduction.

The Wrap Up

With that said, we mark the end of our best 15 inch subwoofer reviews. The reviewed subwoofers are among the best you will find on today’s market. Each sub was carefully selected after thorough research.

You shouldn’t shy away from 15-inch subs because you know little about them. You can use these monster subs if you are in need of deeper bass. The information provided in our buying guide section and the product reviews will help you find the best model.

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