Formula Series 2-Way Coaxial Speakers (4") Trimmers & Laminators Carbon fiber injection-molded polypropylene cones

Carbon fiber injection-molded polypropylene cones

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Dell(R) Inspiron N4010

Toshiba(R) Satellite U400-145

Formula Series 2-Way Coaxial Speakers (4") Trimmers & Laminators Carbon fiber injection-molded polypropylene conesWIDESHERE(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