Vacuum Polypropylene cone</br>Rubber surround</br>Silk dome pole mounted Piezo tweeter and midrange</br>Integrated tweeter crossover</br>Grilles and mounting hardware included</br></br>Product Description</br></br>The 6.50" Prime full-range speakers offer Rockford Fosgate sound quality at a fantastic value. Perfect for replacing factory speakers?? they feature polypropylene cones?? a silk dome Piezo tweeter and midrange. Includes grilles so they look as good as they sound.</br>