Mb FSB216 (r) Formula Series 6.5 Component Speaker System

? WIDESHERE(TM) creates a large sweet spot for all listeners, even from the smallest speakers ;? Aluminum dome tweeters deliver high output, extended frequency response & natural music reproduction;? Butyl rubber surrounds provide durability & deeper mid-bass impact;? Textured ABS gasket assures a rigid linear seal to the mounting surface;? Pure copper voice coil creates a strong magnetic field with a very thin extrusion;? Kapton voice coil former is lightweight & efficiently dissipates heat;? Natural fiber allows flexibility while the infused epoxy gives strength during the manufacturing process;? Over-coil cooling system allows air exchange over the voice coil through the spider;? Heavy gauge progressive-die stamped steel frames for ultimate rigidity;? 6.5;? 140W max/70W RMS;? Freq resp: 55Hz-20kHz;? Mounting dia: 5.59;? Outside dia: 7.01;? Mounting depth: 2.12;? Component system with external passive Butterworth crossover for a smooth transition of frequencies from midrange/midbass to the tweeter element designed into a compact crossover housing that can be easily hidden in the installation;