So im looking for a dac w/amp setup both can be separate pieces or a all in one but I really need help finding a cheap solution to power these exact headphones. https/www.amazon.com/Beyerdynamic-DT990-PRO-250ohm-Straight/dp/B010IJ9W1U/ref=sr_1_3?ie=UTF8&qid=1490800550&sr=8-3&keywords=Beyerdynamic+DT990+PRO . I have already looked at the schiit stack (M2/M2) but the total would be something like $362 and is a bit steep. If there's another setup with maybe a good 32ohm headphones with a cheap dac w/amp im all in for it as i can't make my decisions on that with what I've found. Any help is appreciated.