Stamp-Cast Deep Drawn Steel Baskets</br>Aluminum Dome Tweeters</br>12DB/Octave Crossover networks</br>Euro-DIN Chassis for Simple Installation</br></br>Product Description</br></br>Maxxsonics Discus Speakers?? 6.5"coaxial with .75" aluminum dome tweeter with an all new ground-up designs.</br><br/>http://www.amazon.com/gp/product/B00XALZJ8YR