Alright so both are in my price range of ~200 USD. I am going to pair them with my Beyerdynamic DT 990's 250ohms. I have no other audio gear right now besides my headphones.   Music Preferences from most listened to least: Electronic Classical Jazz Rock Rap.   I'm a huge bass...

I would like to keep it under 200, but my budget can be stretched just a bit though (50-75 USD). I would like to get something that will power my phones and will provide me with clean audio and get the most out of my headphones. I DO NOT have any sort of sound card or audio gear besides my...