This JL Audio CS112LG-TW3 12" 12TW3-D4 subwoofer and amp is a powerful addition to any car audio system. The dual voice coil and 400W RMS power ensure a premium sound experience. The enclosed non-powered design makes it easy to install and the 12in. speaker size provides a substantial bass impact. The JL Audio CS112LG-TW3 is a great choice for anyone looking to upgrade their car subwoofer and amp setup. Its brand reputation and model quality make it a reliable and high-performing option. Whether you're a music enthusiast or a casual listener, this subwoofer and amp will provide you with an exceptional audio experience.