Rockville RVL6KIT 6.5" 800Watt Pair of Component Speakers With Aluminum Cones + Silk Dome Tweeters First; a cutting edge, spun aluminum cone is used for the 6.5" midrange/mid-bass driver. The aluminum cone delivers a true piston action with no flex even during high power excursions. The result is outstanding bass, mid-bass and midrange clarity yielding ultra low distortion. The aluminum cone driver is rigid yet lightweight and provides impressive high-impact sound, uniform motion with fast attack characteristics. The aluminum is treated so that its non-resonant and self-dampening with a very pure sonic signature that minimizes colorations that typical 6.5" drivers suffer from under high power.