Looking to partner either of these with a mixamp for 360 gaming, also using the mixamp connected to my blu ray deck for movies. Anyone got any experience of using both of these? which do you prefer?

Hi all, first time poster. I currently use an astro mixamp with turtle beach hpx for gaming on my 360. i also have my bluray deck connected to the mixamp. i am happy with this set up but want better headphones for gaming and movies, and music direct from my iphone. the headphones i have in...