The Center of Attention The KICKER KS-Series Speakers allow you to perform at concert-level loudness while maintaining the smoothness and nuance to suit even the most discriminating ear. Internally dampened polypropylene cones and long-lasting rubber surrounds help the woofers provide accurate midrange and bass, while high-quality silk-dome tweeters give natural, nuanced highs. Feel your music as if it were a component system with individual tweeters or a high-end coaxial system. The bullet-style phase plug on the woofers is replaced with a unique adaptor, allowing the 25 millimeter silk-dome tweeters to spin and tilt. You gain additional system design possibilities as well as improved off-axis performance. They perform well with a recommended power range of 15 to 125 watts. More information is provided below. High power handling capability~Silk-dome tweeters provide a pleasant sound woofer made of polypropylene and rough rubber edging The thin-mount design fits well beneath stock grilles. There are four different ways to install a tweeter. Included is an articulating tweeter pod. A smaller crossover makes installation even easier. Grilles were provided.