I am plugging my headphones into my Soundblasterx G5 dac/amp.

To keep it brief, I was looking at the MMX 300 for an upgrade from my Hyperx cloud 2's for gaming and music. But after doing some research I've seen a few people call the MMX 300 a DT 770 with a mic slapped on it. Is this true? I understand a standalone mic + real headphones is optimal, but I...