J&M Rokker Series XT Lower Fairing Speaker Kit for Harley Davidson 2006-13 Road - One Size Highpower 7 1/4in. front fairing and 5 1/4in. rear ROKKER XT series speakers are the largest diameter speakers that can be install into HD BatWingstyle fairing with cone volume and mass comparable to a 6in. x 9in. speaker 2 ohms impedance and 170+ watts max for 7.25in. speakers, 2 ohms impedance and 140+ watts max for 5.25in. speakers for the ultimate in bass response, extended mid/ high frequency range and raw audio power Waterproof injectionmolded polycarbonate driver cone Highflux strength, lightweight dualdonut Neodymium magnet Highefficiency vented voicecoil for improved cooling when operating at high volume levels for extended periods