The JDS Labs EL DAC has a AKM AK4490EQ $249

Chord Mojo is a good DAC, but I would get a JDS Labs Element over the mojo, they sound about the same and the element is about $200 cheaper.

I have several Beyers including the DT 1990 pros and 2 DT 990's 250/600ohms. I think for a $700 budget I would go with the 1990's and a Audioengine D1 DAC/amp. you can probably find a used D1 pretty cheap, I saw one recently for $80, its a good entry level DAC. One side note: I found my 1990s...

Im begining to think my headphones dont like the snap crackle pop going though my USB port when booting? maybe I need to invest in a Schiit USB decrapifier 

List of authorized dealers http://goo.gl/n4e9dk

I have been enjoying my DT 990 Premium 250 ohm headphones for about 7 months now and have a issue when I come home from work and power my PC up and the volume in the Left can is very low in comparison to the right, after I play music for about 10-15 minuets the sound slowly rises to normal and...