Okay this may be a stupid question, but when I bought the Ety 6i's I thought I would be able to use them with an airplane adapter to watch the inflight movies. I tried this on my flight back last week, and it picked up a bunch of airplane noise and barely any of the movie. I ran into the same...

I just got my Etymotic 6i's in the mail, and having not seen the old ones, can someone tell me how I can be sure this is the new revised model?