J&M's ROKKER XT series--. include genuine sound enhancement to the rear speaker hulls on your Ultra ... This new three-way high-performance ROKKER XT speaker set has actually been developed particularly for the rear vessel position on the 2 Harley Ultra. Specification d at 2 ohms impedance and 140+ watts max power. these new speakers supply superior bass response. in addition to an extended mid/high frequency range. They feature a water-proof injection-molded polycarbonate woofer cone. high-flux strength but light-weight Neodymium magnet. high performance voice coil. and the current design grillwork with installed black-titanium tweeter and midrange motorists. with a 2nd set of paintable grills also consisted of. Their mounting hole pattern and spade electrical connections are exactly the same as the factory specification. this is a complete plug-and-play option complete with easy to follow in ...