The correct enclosure for your woofers is crucial for good bass in your car. That’s why we have an extensive line of woofer enclosures to fit virtually any vehicle and woofer arrangement. From a single 8-inch, to three 12-inchers We have the right combination of quality, style, and performance. These boxes use superior MDF (medium density fiberboard) for rock-hard, vibration-free sound; are fully sealed for airtight bass; and include gold-plated terminal connectors.