6" x 8" Stage Series 2-Way Car Speakers Power Handling: Peak: 360 watts per pair / 180 watts each RMS: 120 watts per pair / 60 watts each Injection-molded polypropylene cone PEI Balanced Dome Tweeter Top-mount Depth: 2-1/4" Cutout Dimensions: 5-1/16" x 7-4/16" 4 ohms impedance Frequency Response: 20 - 20000 Hz Sensitivity: 91dB