If you are looking for a high-quality subwoofer with the most accurate and precise in-vehicle subwoofer performance, then look no further. Alpine's 2nd generation state-of-the-art Type-X SWX-1243D Subwoofer is your answer. With the advanced motor structure and new sound of this subwoofer, you will experience higher efficiency, lower heat creation while maintaining superb sound, so you can really crank up the bass.
