High-performance 8” in-vehicle subwoofer with patent pending, featuring a fully adjustable mounting flange allowing mounting depth and mounting height to be optimized for unparalleled versatility in adapting to virtually any existing OEM or custom enclosure. The adjustable flange is exactly the kind of feature that deserves the limelight. It is simple enough that it requires little explanation, yet the benefits are significant enough to make a real difference in the way the product fits real world applications. Installers will love it; this is the only product of its kind in existence.