SIRIUS SIR-KEN1 not compatible with "Best of XM" package?
I tried hooking up the SIRIUS SIR-KEN1 with my Kenwood MP625 head unit and Sirius said that the SIR-KEN1 is not compatible with the XM package.
Is this true? I don't see it on a list.
Also, when I plugged in the cable to the...