7-1/4" diameter speakers making it the largest diameter speakers that can be installed in Batwing fairings Designed for fairings with the HD HK radio 2 OHMS impedance and 140 watts max power (100W RMS) provides the best bass response, extended mid/high frequency range and raw audio power Features a waterproof injection-molded polycarbonate cone, lightweight yet high-flux strength magnet, high efficiency voice coil, mounted tweeter and midrange, adapter rings/bracket hardware for mounting inside the fairing Full range class D amplifier at 100 watts per channel with two channels 200W total), driven continuous into a 2 ohm load at 14.4vdc Mounts inside the fairing using the included custom mounting bracket system Audio kit comes complete with all necessary hardware and instructions, the custom made plug-n-play wiring harnesses, as well as the top quality heavy gauge power/ground wires that are used for the fused battery connection Amplifier is 6-1/2" L x 4-3/4" W x 1-3/4" T