Power handling 400 watts rms/800 watts peak at 4 ohms Frequency response: 27-250Hz Horn-loaded quartz type semiconductor tweeters Enclosure cover with aviation grade carpeting for vehicle interior protection Heavy-duty grilles for subwoofer protection Solid, high-performance full-range woofers for maximum thunder 14 1/4"WX30 1/4"HX18"D (bottom)/7 7/8"(top)