J&M Perf Series JHAK-HCU06-3604SP Audio Kit with 2 Pairs of Speakers for Harley - One Size Includes pair of 7-1/4 in. round driver, the largest diameter speakers that can be installed into the Harley RoadGlide style fairing and vented lower fairing, with cone volume and mass comparable to a 6 in. x 9 in. speaker Both spec&rsquo;d at 2 ohms impedance and 140/120+ watts max power, these new speakers provide the ultimate in bass response, extended mid/high frequency range and raw audio power Features a waterproof injection-molded polycarbonate woofer cone, high-flux strength but lightweight dual-donut Neodymium magnet, high efficiency voice coil, the latest design grillwork with mounted tweeter and midrange, (plain grills only for LOWER fairing speakers) and top-quality adapter rings/bracket hardware for secure and clean mounting Full range class D amplifier and is spec&rsquo;d at 90 watts RMS per channel X4 channels, (360w total) driven continuous into a 2 ohm load 14.4vdc. Amplifier mounts inside the fairing using the custom made stainless steel bracket system Includes pair of 5 1/4in. round drivers, the largest and most efficient speakers you can install into the rear trunk pod position on the Harley RoadGlide Ultra