General Features: 6" x 8" A-Series 4-Way Car Speakers Power Handling: Peak: 350 watts per pair / 125 watts each RMS: 80 watts per pair / 40 watts each Carbon and MICA Reinforced IMPP Woofer Cone Elastic Polymer Surround Material Dual 11mm Dome Tweeters 1 5/8" Cellulose Fiber Cone Midrange Rubber magnet boot cover CEA-2031 compliant speakers High Heat Resistant Wire Voice Coil 7. 6oz. Ferrite magnet motor structure Grills Included Top-mount Depth: 2. 5" 4 ohms impedance Frequency Response: 34-34, 000 Hz Sensitivity: 88dB