? Impact-resistant Neo-Mylar(R) soft-dome tweeters ;? Silver alpha-cellulose cones for musical power with added resistance to the elements;? Moisture-resistant rubber surrounds with high mid-bass impact;? Anti-resonant stamped steel baskets;? Spade speaker terminals for quick installation;? Wide nominal power range;? Imp: 4ohm ;? Includes installation hardware & manual;? 4 x 6;? Coaxial;? 250W max;? Pair;