Experience the premium sound your subwoofers deserve with the QPower QBomb 8-Inch Quad Ported Subwoofer Box with Bed Liner and Underseat Down Front Fire for 4 Subwoofers The enclosure features four 8-inch ported openings, providing an ideal fit for your subwoofers while allowing efficient airflow to maximize bass performance. Its sturdy cover is specifically engineered for utmost durability, safeguarding your subwoofers and guaranteeing musical longevity even under intense usage. Constructed from a robust bed liner material, this enclosure ensures the protection of your subwoofers and contributes to maintaining the pristine condition of your vehicle's interior. The rugged construction shields your equipment from unnecessary wear or tear, providing a reliable solution for long-term use and enjoyment. Once installed, the enclosure will take your speakers to a new level, delivering enhanced sound quality. With underseat frontfire capabilities, this enclosure facilitates the production of a louder and crisper sound than ever before. You can freely crank up the bass to your preferred level, as the enclosure's design is an excellent spot for bass enthusiasts, boasting a comfortable tuning frequency of 35 hertz. Turn up the volume and immerse yourself in the captivating sound produced by the QPower 8-inch ported Subwoofer Enclosure Box.