Kicker KSS650 6.5-Inch (160mm) Component System w/ 1-Inch (25mm) Tweeters, 4-OhmCenter Stage KICKER KS Series Speakers let you play at concert like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and bass, while high quality silk dome tweeters deliver natural, detailed highs. Experience your music as a component system with separate tweeters, or as a high end coaxial system.