Wow,The X3 has one of Wolfson's finest DACs in the WM8740 which has been used in other hi-fi players and CD players. The X3 has 8GB which is lowish capacity (you can expand with microsd cards) and can play high resolution files.

I'm finding the 1601SB to be more of a chameleon in comparison to the 1602SS and 1602SC. Trying the various tips included in the package, I find the sound changes more dramatically compared to what I was able to achieve through my experimentation with the fix-tipped 1602 models, even when using...

I find the HE-400 slightly dark actually, but that's just my ears maybe. It's not a bright headphone so it doesn't sound emphasized to me (treble wise). The mids and mid-bass however are more forward sounding in volume compared to treble & sub-bass. The overall listen is a very smooth listen to...