MB Quart FKB110 Formula Series 2-Way Coaxial Speakers (4")

• 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;• 4";• 80W max/40W RMS;• Freq resp: 55Hz-19kHz;• Mounting dia: 3.69";• Outside dia: 5.39";• Mounting depth: 3";• Pair;