QPower 8 Inch Quad Port Car Subwoofer Speaker Enclosure Box with Bed Liner and Underseat Down Front Fire for 4 Subwoofers , Black

The QPower “QBOMB” Quad 8″ Ported Woofer Enclosure (QBGMCFF07408) is precision-engineered for 2007–2024 Chevy and GMC Crew Cab trucks, delivering powerful bass while maintaining a factory-style fit. Designed to house four 8-inch subwoofers, this ported enclosure maximizes airflow for enhanced low-frequency output and efficiency. Constructed from heavy-duty MDF and finished with a durable carpeted exterior, it offers excellent strength, reduced vibration, and long-lasting performance. This enclosure is ideal for truck owners who want big bass without sacrificing cabin space or comfort.