Infinity Kappa 60.11CS 6-3/4" component speaker system 6.5 inch Car Audio 2-Way Component System (Pair) Peak: 540 watts per pair / 270 watts each | RMS: 180 watts per pair / 90 watts each Frequency response: 45-35,000 Hz Impedance: 2-ohms Cutout Dimensions: 5-1/8" x 5-1/8"