Kicker 08KS680 6-Inch X 8-Inch 152mm X 203mm Coax Speaker Pair of 6x8-inch coaxial speakers Curvilinear, gray woofer cones with Santoprene surround and newly designed basket 60 Watts RMS (180 Watts peak) power handling with 4-ohm impedance 45 Hz-21kHz frequency response One-year limited warranty