I have an iPod Classic (7th Gen, 160GB) + Sennheiser Momentum Over-Ear. Will E17k suit/boost my current set-up?

Hey, Internet pals!   I'm pretty new to the hifi world, and it's only recently that I've learned about DACs, amps, etc etc—and I must say I'm beyond excited to build my very first rig! I've done a bit of research, and with my current DAP (iPod Classic 7th Gen 160GB) and budget, these are the...

With regard to headphones, I've always preferred over-ear ones. And as for the budget, I can go as far as shelling out $ for a pair of Sennheiser HD800 (if it does prove to be the best option for me). I'm also looking to build my very first hi-fi set-up. I've got my eyes on Astell&Kern DAPs!

My hi-fi n00b self has been stalking this thread in hopes of learning how to boost my humble music listening—and I say humble because I only own 2 iPod classics and Marshall headphones—and so far, I've learned how to want to curl up in a ball, cry, and die of envy  Would be great to get some...

Budget's not a major concern -- I just really don't know yet what to get! I've been advised to start with FiiO E17K + FiiO LOD + Sennheiser Momentum Over-Ear, so I might do just that. I've also been looking to purchase my first hi-fi DAP; I've got my eyes on AK100/120 or Ibasso DX-90 (and...

So my hi-fi n00b self's been stalking this thread in hopes of learning what headphones x amp to get to boost my humble music listening—and I say humble because I only own 2 iPod classics—and so far, I've been learning how to curl up in a ball and cry and die of envy