i've got the i9505 and HD650's.
I'm trying to find a portable amp that will adequately power them that also has a DAC. The C5D seems to be the only one that satisfies both conditions. (Fiio E18 might be underpowered)
Yes, I will be using it with the S4 98% of the time.
Edited by bunnyfluffy - 1/3/14 at 3:49pm