General Features: 6. 5" G-series 2-way car speakers Power handling: peak: 600 watts per pair/ 300 Watts each RMS: 80 Watts per pair/ 40 Watts each Injection-Molded Polypropylene Cone rubber-coated cloth Surround 1-3/16" Balanced dome tweeter rubber magnet boot cover ferrite magnet motor structure top-mount depth: 1-3/4" Cutout Dimensions: 5" 4 ohms impedance Frequency Response: 31 - 18, 000 Hz Sensitivity: 89Db