CERWIN-VEGA MOBILE XED42 XED Series Coaxial Speakers (2 Way?? 4"</br></br>Product Description</br></br>? Curvilinear poly cones;? Butyl rubber surrounds ;? Balanced metal dome .75" CV tweeters;? Includes grilles & hardware;? Piezo 1" add-on tweeter kit available;? 2 way;? 4";? 250W max;? Pair;</br><br/>http://www.amazon.com/gp/product/B010FEDXKOI