RE Audio XXX6.9C 6 x 9-Inches 4 Ohm 240W RMS 2-Way Component Kit Glass Fiber-Kevlar Cone, Precision Engineered Aluminum Phase Plug, Aluminum Voice Coil Butyl Rubber Surround, FEA-optimized Motor Structure, 30 oz High Density Magnet, Extreme Excursion 1.1"(28mm) Tectron Silk Dome Tweeter with Ferro-Fluid Cooling, Symmetrical Neodymium Drive on Tweeter Crossover Utilizes High Grade Mylar Capacitors, Optimum "Q" Alignment and Tweeter Protection Network Power Handling (RMS): 240W. Power Handling (Peak): 480W