I dont own one yet but hopefully will soon have a 99-2003 LT and the firs thing I will want is XM radio. I had a zumo 550 and XM radio on my old RT and loved it and I listened through earbuds. I would be looking at either a XM standalone unit or another zumo and XM combo to add. Is it possible to have either one wired into the speakers and not use a FM modulator on this bike? Can it be set up to be able to have it play through the speakers at times and then go to earbuds for longer rides? Earbuds were a pain for short trips in town bu were great for longer day rides and overnight trips.