The Rockford Fosgate P300-12 Punch is the overall top pick for sound quality, build quality, price, and power. The best subwoofers combine resonant bass with a great low-frequency rumble that you feel more than hear. Most of the subs on this list are capable of delivering sonic booms without getting in the way of your other car speakers. You can always spend more money and get louder or better speakers, but after about $400 you’re getting a diminishing return for what you’re paying. If the 12-inch version is too large, it’s hard to go wrong with the larger version of the P3D2-12, and it should last for a long time. . . .
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