Ok, I got a Mister X XP (AD8397) amp two weeks ago, and have been using it with an Ipod Touch, Turbo LOD and Shures E500s. Trouble is, I don't seem to hear much of a difference between amped and unamped, except the absence of hiss. I know this topic was covered with another head-fier and his...

I have been a lurker on these forums for quite some time, and have made all my headphone purchases based on what I've read here. I currently listen to mainly rock on an unamped ipod, and I have the Shure E4G, the Vibes and the Audio Techica EW-9 and ES-7. I also used to have the Ety E4P and the...