Infinity Kappa 4"x6" 2-Way Loudspeakers-Pair (Black) 4 x 6-inch 2-way Car Audio Plate Speakers (Pair) Peak Power Handling: 180 watts | RMS Power Handling: 5-60 watts Frequency response: 75-25,000 Hz Sensitivity: 94 dB Top mounting depth: 1-15/16"