The Nakamichi 6x9 Inches 3 Way Speakers NM-NSE6918 are a pair of 6-inch by 9-inch 3-way coaxial speakers that are designed to replace a car's factory speakers. They feature polypropylene composite cones with closed-cell foam surrounds and PEI tweeters with wide-angle dispersion lenses. The speakers also include tuner-style grilles