Audio Systems: Bose XM radio sound quality..., 2005 gmc denali, radio sound

Question
Hi,thanks for taking my question...I have a 2005 GMC Denali Envoy with a Bose 6cd xm radio.I notice a loss of stereo separation when listening to xm radio and overall sound quality.However the radio sounds excellent when listening to cd's or fm...Also I want to add my ipod,what do you suggest...Thanks again...

Answer
sounds like a bad XM antenna, when that happends the xm radio takes terrestial signals  just to fill the gaps

check your antenna

ipod interface use this
http://www.oemautosound.com/pc-512-187-pie-ipod-interface-with-auxiliary-input-x...