Brand new Rockford Fosgate T3652-S 6.5" pair of T3 Component Speakers totaling 500 W Peak / 250 W RMS features: 1" (25 mm) treated silk surround LCP tweeter through neodymium motor asymmetrical crossover network die cast aluminum frame LCP (liquid crystal polymer) fiber cone multi pole neodymium motor structure through IDHS (inductive damping heat sink) neodymium motor structure through keyed return of magnetic flux true nomex spider VAST (vertical attach surround technique) buytl rubber surround audiophile grade component external crossover through on / off axis control FlexFit cast aluminum basket design DDC (discreet dual clamp) CEA-2031 compliant