I'm new to all this and just ordered the magni and dt 990.    I figured out I'd need a cable as well.   Would this work? With the red/white going into the amp and the black end going into my PC's audio-out?  ...

I'm on a fairly tight budget and can't pay the premium for the 600

After sifting through hundreds of threads and google searches, I cannot get a straight answer.   I am new to high-quality headphones and want the DT 990 250 as it seems to be what I need- open, good bass, etc. I primarily listen to trance, techno, house etc.   There are three amps I am...