Recently got the J3 and have been very impressed by it's output, I was just wondering if adding an amp would further my listening experience. Maybe something like a Fiio E7?

Hi there Head-fiers!   I'm about to be travelling a lot in the next few months and my UE TF10s aren't comfortable after 20+ hours on an airplane. I'm looking for headphones that are over-the-ears and sound similar to my TF10s, I usually listen to pop and rock. The budget is $150, what you...