I've currently got a Fiio E10k. Would it make sense to upgrade to something like an OriGen G2 or will the Fiio provide enough power to the 990's?

Anyone?

As the title states, I purchased some 250ohm DT 990's and I have a Fiio E10k. Is this enough to power them? If not, would something like the OriGen G2 be a better choice?

Have the ZST's and was wondering what the difference between these cables is and which one is better. https://www.amazon.com/KZ-ZST-Upgrade-Replacement-Earphones/dp/B072FN5RSH/ref=sr_1_1?ie=UTF8&qid=1500474630&sr=8-1-spons&keywords=zst%2Bcable&th=1...

Replacement ZST's arrived today. First thing that stuck out to me was the packaging. This pair had the cord neatly coiled and tied, tucked in a baggy. All the additional ear tips were in a separate baggy as well. The pair I received yesterday just had the cord wound loose in the box and the tips...

Received a pair of ZST's today from Amazon. Immediately they seemed off. The right one is clearly louder than the left. Is this a common occurrence? Lowering the right by 3-4db's completely fixes the issue. I contacted Amazon and have a replacement pair coming tomorrow. I'm just hoping this...