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Best 18-Inch Car Subwoofers

Updated August 2018
Why trust BestReviews?
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers.
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.
Bottom Line
Pros
Cons
Best of the Best
Skar Audio
1500W Subwoofer
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Bottom Line

A solid all-around 18" subwoofer that delivers consistent low end dynamics.

Pros

Balanced frequency distribution keeps the low end sound from getting too muddied. Simple speaker design keeps distortion down, regardless of the sound input.

Cons

Rubber cone is prone to tearing and warping if left in the heat for too long.

Best Bang for the Buck
Rockville
1000W Raw Subwoofer
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Bottom Line

The best value 18" subwoofer for a decent upgrade in performance and volume.

Pros

Ultra-high quality components place this budget subwoofer above most value options in terms of durability. Resists high temperatures. Comes in 4 and 8 Ohm versions.

Cons

Speaker requires a little bit of time to warm up when first turned on.

RCF
Low Frequency Transducer
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Bottom Line

A unique car woofer that delivers more low end volume and presence than traditional subwoofers.

Pros

High quality construction can handle constant high powered use running at the max 2000 watts. Dynamics and volume have a physical presence, gently shaking the interior for sonic effect.

Cons

Intense presence of the bass end may be too much for anyone looking for a simple increase in volume.

B&C
Neodymium Wubwoofer
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Bottom Line

One of the most premium, high-end subwoofers available for people wanting the highest quality.

Pros

Neodymium magnet motor is sensitive and responsive, producing a clear audio output. Distortion at high power levels is minimal. Compatible with most aftermarket sound systems.

Cons

Sound quality improvement can be hard to compare over more affordable subwoofer options.

RCF
18-Inch Subwoofer
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Bottom Line

A multipurpose, high-quality subwoofer that is right at home on stage or in the car.

Pros

2000 watt maximum power and 18" diameter drive more air than smaller, less powerful subwoofers. Subwoofer requires minimal set up and preparation.

Cons

Some older cars may require awkward placement of the subwoofer due to the large diameter.

How we decided

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

  • 18 Models Considered
  • 6 Hours Researched
  • 1 Experts Interviewed
  • 173 Consumers Consulted
    • Zero products received from manufacturers.

    We purchase every product we review with our own funds — we never accept anything from product manufacturers.

    Why trust BestReviews?
    BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.
    BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers.
    BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.
    The team that worked on this review
    • Austin
      Austin
      Writer
    • Eliza
      Eliza
      Production Manager
    • Enid
      Enid
      Editor
    • Jacob
      Jacob
      Editorial Manager
    • Katie
      Katie
      Editorial Director
    • Melinda
      Melinda
      Web Producer
    ×

    Rockville

    1000W Raw Subwoofer

    Rockville

    1000W Raw Subwoofer

    The best value 18" subwoofer for a decent upgrade in performance and volume.
    $72
    ×

    Skar Audio

    1500W Subwoofer

    Skar Audio

    1500W Subwoofer

    A solid all-around 18" subwoofer that delivers consistent low end dynamics.
    $389
    ×

    RCF

    Low Frequency Transducer

    RCF

    Low Frequency Transducer

    A unique car woofer that delivers more low end volume and presence than traditional subwoofers.
    $332
    ×

    B&C

    Neodymium Wubwoofer

    B&C

    Neodymium Wubwoofer

    One of the most premium, high-end subwoofers available for people wanting the highest quality.
    $494
    ×

    RCF

    18-Inch Subwoofer

    RCF

    18-Inch Subwoofer

    A multipurpose, high-quality subwoofer that is right at home on stage or in the car.
    $359