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Best 18-Inch Car Subwoofers

Updated December 2018
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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.
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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.

    If you love bass-heavy music, then a car subwoofer is a great investment. It will boost lows in a serious way. Power output for 18” car subwoofers range from 300 to 7,500 watts at maximum power, though most fall within the range of 600 to 2,500 watts. The higher the watts, the more likely you’ll feel physical vibrations when cranking the volume up. Keep in mind that 18” car subwoofers are large and require more power than a smaller unit. They can also take up more space in the car. They have a larger cone than many are used to, which will produce a deeper bass sound. The cone material should be as resistant to tears and damage as possible. Some 18” car subwoofers need to warm up for a few minutes before they’ll provide the deep bass you’re looking for.

    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

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