Best 15 Inch Car Subwoofers Reviews

If you’re a serious basshead and you’d like to feel that intense, bone-shaking impact of bass hitting your chest, then there’s no substitute for a bigger subwoofer.

Car subwoofers come in a wide variety of types and sizes (ranging from 8 to 18 inch). Undoubtedly, larger subs can handle a ton of power and deliver deep pounding bass that you can feel as much as you hear. For the purpose of this post, we’ll be reviewing some of the best 15 inch subwoofers on the market.

15 inch subwoofes can produce lower frequencies better than small subwoofers thanks to their larger cone area. They can also easily tackle long resonant bass notes making them a top choice for serious bassheads. The downside, however, is that because of the cone size and weight, it is difficult for the magnet to slow the cone down, resulting in boomy bass but relatively poor sound quality when compared to smaller subs.

This is a general rule of thumb because the material that the cone is made of and the enclosure type also play a major role in the performance of a subwoofer as well.

That being said, if you’re more into SPL and volume than sound quality, then a 15″ inch subwoofer is for you. Otherwise, consider a small 12″ or 10″ subwoofer.

Best 15 Inch Car Subwoofers Reviews

#1- Rockford Fosgate P3D4-15 15 inch Sub Review

  • Anodized aluminum cone with Santoprene surround
  • High modulus Kevlar re-inforced paper-pulp cone
  • Hybrid StampCast basket provides strength while minimizing weight and resonance
  • Vertical Attach Surround Technique (VAST™) increases cone area
  • Proprietary spider venting/cooling technique
  • Flex-fit Mounting pattern
  • Semi-flexible, PVC removable protective motor cover
  • Optimized motor magnetics with extended pole and bumped vented backplate
  • High temp 2.5" voice coil w/ spun-laced Nomex insulating re-inforcement collar
  • Die-Cast aluminum soft-touch painted trim ring allows for optional integrated grill

Size 15"
Frequency range 22 - 250 Hz
Power Handling 
  • RMS :    300-600 watts
  • Peak :    1,200 Watts
Sensitivity 86 dB
Top-mounting Depth 7-5/8"
Impedance 4 ohm

best cheap 15 inch subwooferRockford Fosgate is one of the most widely recognized brands in the car audio industry. They offer a wide variety of car audio components of different types.

Rockford Fosgate offers three subwoofer series : “Prime”, “Punch” and “Power” scaling downwards in build quality and upwards in performance. Subwoofers in the Prime series are considered to be Rockford Fosgate’s basic, entry-level models while Punch is a middle of the road line of products. Power series subs is considered the company’s high-end subwoofer lineup.

The P3D4-15 is one of the best performing 15″ inch subwoofer in Rockford Fosgate Punch series. It’s featured with a rigid, thermal anodized aluminum cone bonded to Santoprene surround. As is the case in the “Punch” series of subwoofers, the cone on this sub uses Vertical Attach Surround Technique (VAST™) which increases cone area by up to 25%. It’s designed to hold its shape through heavy play, while staying relatively light and responsive.

Thanks to its special venting and aluminium cone which acts as a giant heat sink dissipating heat away from subwoofer’s internal components, you can get incredibly consistent bass performance over time.

Additionally, this P3 sub features an extended pole piece and bumped backplate which allow for more room for heavy excursion. Thereby, the sub can hit deeper lows without “bottoming out.”

Rockford Fosgate P3D4-15 is rated for 86 dB sensitivity rating and can handle up to 600 watts of power on continuous basis. It can hit as low as a claimed 22Hz and as far up as 250Hz. It’s optimized to work equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.

Rockford Fosgate P3D4-15 is one of the best 15 inch car subwoofer for the money, all things considered. While most 15 inch car subwoofers are priced at over $300 easily, this Rockford Fosgate 15″ subwoofer can get the job done for less than $200; this doesn’t mean by any means that you’ll be forfeiting quality for price, quite honestly, Rockford Fosgate P3D4-15 is a great sounding 15 inch sub. The quality of the bass that it can produce is just phenomenal.

#2- Skar Audio ZVX-15v2 15 Inch Sub Review

  • Competition Grade Pressed Paper Cone
  • Stitched High Roll Foam Surround
  • Massive Triple Stacked Magnet
  • 3" High Temperature Copper Voice Coil

Size 15"
Frequency range 25 - 400 Hz
Power Handling 
  • RMS :    1,500 watts
  • Peak :    3,000 Watts
Sensitivity 86.3 dB
Top-mounting Depth N/A
Impedance dual 2 ohm


Skar Audio was founded in 2012. They have risen through the ranks remarkably quickly despite being a newcomer to the industry. They have managed to build up an impressive line-up of subwoofers.

The ZVX-15v2 is one of the best 15″ inch subwoofer in the Skar Audio ZVX series of subs. It’s featured with competition grade pressed paper cone bonded to a high-roll foam surround. Combine that with its 3-inch high temperature voice coil and a massive 3-slug motor magnet, and you get a hard-kicking subwoofer which screams loud, boomy bass.

This beast was desgined to be a high-grade competition subwoofer. It’s engineered to withstand brutality and perform efficiently at the highest levels of output power, making it an extremely reliable and powerful subwoofer.

Skar Audio ZVX-15v2 is rated for 86.3 dB sensitivity rating and can hit as low as a claimed 25Hz and as far up as 400Hz. As far as power handling is concerned, this giant powerhouse can handle up to 1,500 watts of power on continuous basis.

If properly powered and well-mounted, this can be one of the loudest 15″ inch subwoofer you ever hear.

Skar Audio also offers a few cheap 15 inch subwoofers – such as DDX-15 D4 and EVL-15 D2 – for those of you who are on a tight-budget.

#3- Kicker 11S15L72 Solo-Baric L7 Subwoofer Review

  • Square SoloKon™ polypropylene cone with Santoprene rubber surround
  • Cast-aluminum basket
  • Titanium deposit impregnated cone woofer with rolled outer edge
  • Full coverage back bracing
  • Poly-cotton semi-progressive spider
  • Spiralead™ tinsel-lead technology
  • Highly-efficient UniPlate™ pole-piece/back plate
  • Heat-reducing T-cut top plate
  • Solid pole piece
  • Spring loaded terminals
  • High-temp dual 2 ohm voice coil

Size 15"
Frequency range 18 - 100 Hz
Power Handling 
  • RMS :    1,000 watts
  • Peak :    2,000 Watts
Sensitivity 88.56 dB
Top-mounting Depth 8-5/8"
Impedance dual 2 ohm


Kicker is another well-established car subwoofer brands which provides some quality car audio components. They have above par products for reasonable prices.

The 11S15L72 Solo-Baric L7 is one of the best 15 inch car subwoofer that Kicker has to offer. It was designed to deliver state-of-the-art bass.

Unlike most car subwoofers out there, the Kicker 11S15L72 Solo-Baric L7 features a square design. Its ultra-rigid cast aluminum basket houses the patented SoloKon™ one-piece square cone which allows the subwoofer to move a ton of air when compared to similarly sized round subs.

Kicker 11S15L72 Solo-Baric L7 was built tough; it’s incorporated with an injection-molded polypropylene composite cone which is bonded to durable Santoprene™ rubber surround allowing the subwoofer to dish out monster bass whether it’s mounted in a sealed or ported enclosure.

The Kicker 11S15L72 Solo-Baric L7 boasts a sensitivity rating of 89 dB and can handle up to 1,000 watts RMS. It can hit as low as a claimed 18Hz and as far up as 100Hz.

That said, whether you like tight, refined bass or deep, boomy lows that shake everything around, this subwoofer delivers big time. And on top of everything else, Its unusual shape and black finish make a strong style statement.

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