The Mmats Juggernaut 18" Subwoofer is a car audio product designed for high-quality sound performance. Manufactured by MMATS, this subwoofer is built with an 18-inch speaker size, making it ideal for producing deep and powerful bass. The Juggernaut is a top-of-the-line subwoofer that is perfect for car audio enthusiasts who want to take their sound system to the next level.