Take your ride from boring to booming with the QPower QBomb Dual Vented Horn Ported Subwoofer Box. This subwoofer box features 2 holes of 12-inch ventilation. Featuring 2 cubic feet per sub, this box boasts a deep and powerful bass. The ported enclosures feature vents that give you more bass output. Feel the booming vibrations with the 30-hertz tuning frequency. With a durable bed liner, you can listen to music as loud as you want. Whether you are a fan of rock, rap, hip-hop, electronic dance, or punk music the QPower QBomb Dual Vented Horn Ported Subwoofer Box will make you feel like you are at your own live concert while in the convenience of your own ride.