Introducing the QPower QBFORDFF09208 8-inch dual-port subwoofer enclosure box, the perfect audio enhancement for your 2009–current Ford F150 SuperCrew or 2017–current Ford F250/F350 Super Duty. This meticulously engineered enclosure offers underseat downfire capabilities to ensure that your audio experience is nothing short of exceptional. It delivers crisp, loud sound that will elevate your drive. The QPower 8-inch subwoofer box features two 8-inch openings to fit 2 subwoofers, ensuring that every note of your favorite music will be felt, not just heard. It offers an air space of 0.8 cu. ft. per sub, a mounting depth of 11 1/4", and a tuning frequency of 35 Hz. This enclosure is crafted from MDF wood and has a durable bed-liner finish to protect your car's interior. Whether you're cruising the city streets or venturing off-road, this enclosure is designed to handle it all. Our custom-fit subwoofer box will let you drop your beats deep. Push your sound system to the max and immerse yourself in your favorite tunes. Feel the boom from your subwoofer with every beat. At QPower, cars and sound systems are our passions. We deliver high-quality, durable products at a fair price. Pick out your favorite speakers and add them to this speaker box for a quality sound you will love.