When you need to add bass to your Car Audio system but you're already pressed for real estate in the trunk, you need to think outside of the box. Pacific Stereo has a bass solution that fits your budget and ride with Enclosed Subwoofers in Single, Dual, and Triple configurations as well as Subwoofer Boxes and Vehicle-Specific options. With a 30-day money-back guarantee and full manufacturer warranties on every item in our Enclosed Subwoofer store, now is the time to pump up the bass.