Join Date: Jun 2008
Location: Arlington, Virginia
Many XM radios have an line output adjuster. I adjusted my Roady XT until the output from the aux matched up pretty closely with the FM levels.
07 Goldwing - Comfort/Navi/ABS Dark Blue Metallic
Traxxion "Maximum Monty" with Billet Triple Clamps
My road trip slogan: "I fear the deer."