Kicker 51KSC6504 6.5" 2-way coaxial speakers

KICKER’s elite KS-Series Coaxial Speakers upgrade your audio to new levels of accuracy with extended frequency response and the smoothest highs. Highlights: Speaker Design  2-way Woofer 6.5 in, 160mm Tweeter 3/4 in, 20 mm Rated Impedance 4 Ω Recommended Amplifier Power  15-100 Watts Sensitivity 90 (1W, 1m) Frequency Response 43-21k Hz Mounting Hole Diameter 4-13/16 in, 123 mm Top Mount Depth 1-13/16 in, 46 mm Bottom Mount Depth 2-3/16 in, 54 mm Tweeter Protrusion 0 in, 1mm Grilles Included Features:   Potent Performance KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and midbass, while high-quality silk-dome tweeters deliver natural, detailed highs. With less than a 2-inch mounting depth and one millimeter of tweeter protrusion, the KSC650 is a perfect fit in almost every vehicle on the road today. They work best with 15 to 100 watts of recommended power. See below for more details. High power handling Silk-dome tweeters for a smooth sound Polypropylene woofer and tough rubber surrounds Thin-mount design easily fits behind factory grilles Grilles included