I've had my Line 6 UX2 for about 2 years now. I love it overall but there is something very wrong with the sound that prevent me from doing any recording (with Ableton Live). I have some background noise that keep coming on a regular interval, about 30 seconds apart, constantly. So every time I play, I here that cracking sound every 30 seconds or so and il will last for about 2 seconds.
I have just made sure I am up to date with software and drivers but I still have this issue. It is impossible for me to record something because anyone would hear this sound over the music. I have a single electro-acoustic guitar connected to my UX2, no mic and I use headphones. I made sure any gain button not needed is at the lowest. At first I thought there was interference from my electrical system in my place but now I do not know.