I am somewhat confused how two amps would work together with their independent volume levels. Currently my Mixamp 5.8 is paired with a 32ohm AKG K550 and they are mostly plenty loud but to achieve the loudness I desire, hissing does occur at the 70% volume mark.   1)Would adding a portable...

Hi all, head-fi noob. This is my first set of cans. I have been a 7.1 full HD theater setup up until now (well still have it but late night listening has changed for me) So, this is what I tried to get to the keepers AKG K550's and should inform you, majority of my use is movies and TV and I...