Thanks Tom70, I was looking at all the threads and viewers of this on going problem. Apple denied the issue when I returned my iPA2 even after I showed them all of the community threads... So I wonder why there are over 20,000 viewers and over seven threads regarding this issue, including the on going discussion on Macrumors and Apple employees and Apple Care deny there are any reports of this problem?
I have been punching apple keyboards for over 30 years and seen a lot of interesting changes over those years and I have to say not responding to such a huge problem, as internal arcing in the iPads, could lead to a lot of hazards, including shocking people, starting fires etc..
Tom70, I read some of the posts in your thread and there seems to be either two different issues or some folks are misunderstanding this issue as being a speaker issue and I can assure you this is not a speaker problem this is an electric arc caused by bad connections of several internal components. In addition, I noticed the iPA2 was glitchy, the screen would flicker and sometimes the screen would not respond to my touch. This version had a new screen concept that was supposed to be more sensitive to the touch. Also, the arcing sound is coming from the area of the processor and two RAM chips. My friend's iPA2 had the exact same problem.
He is my IT specialist that works on my companies tech. He believes the issue is with fast production on the first few months of the iPA2. Apple did mention, before they released the iPA2, that they were having production issues and this maybe a reflection of that. I would recommend waiting until after the Apple Watch comes out before buying one again. They probably will have a fix by then... Right now it is a gamble.