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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
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.Read more 
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How we decided

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

40 Models Considered
10 Hours Researched
3 Experts Interviewed
101 Consumers Consulted
Zero products received from manufacturers.

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

Car stereo systems typically fall short of satisfying bass. Enter the 15” car subwoofer. It can deliver a satisfying thumping bass as you listen to your tunes on the road. While most 15” car subwoofers have an output of 1,000 to 2,000 watts, power can be as modest as 500 watts and as impressive as 4,000 watts. The large size of the cone can make it vulnerable to damage from the heat or being knocked around in the car if its made of flimsy material. Though not as large as its 18” big brother, the 15” car subwoofer isn’t tiny, so there needs to be ample room for it. Some subwoofers of this size give better frequency distribution than others, which will prevent distortion.

Other Products We Considered
The BestReviews editorial team researches hundreds of products based on consumer reviews, brand quality, and value. We then choose a shorter list for in-depth research and testing before finalizing our top picks. These are the products we considered that ultimately didn't make our top 5.
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Our Top Picks