To the original poster, you should be getting the same CD quality sound from your XM.
Since your other modes are working fine, I'd suspect a bad antenna receiver, or even a bad connection somewhere in the antenna wire.
Contact XM, they might send a replacement antenna for you to try.
Since your other modes are working fine, I'd suspect a bad antenna receiver, or even a bad connection somewhere in the antenna wire.
Contact XM, they might send a replacement antenna for you to try.