Prepare to Feel the Bass like Never Before: XSCACE Custom Subwoofers redefine audio excellence with unparalleled bass performance. With their 18 and 21-inch woofers meticulously crafted for precision, these subwoofers deliver earth-shaking low frequencies, elevating your home cinema experience to new heights. Immerse yourself in deep, rich, and high-quality bass that resonates through your soul. (We provide custom amplifiers with the subwoofer as a package)