Will this do much of anything to better the sound or volume of the Beyerdynamic DT 770 Pro 250 Ohm's? I need something to hold me over for a few weeks until I get a desktop amplifier, and I can have this at my house by Saturday or Monday. My apologies if this or something similar has been asked...

Well I just got the headphones today, and tried them out without an amp. The vocals and instruments on some Pink Floyd, Jimi Hendrix, and Phil Collins (FLAC) sounded fantastic! Unfortunately when I tried to them with Dubstep, the bass was just about non-existent, but I was expecting that without...

Let me first stress to you all that I am a first time buyer of "high-end", if that is appropriate to say, headphones, so please do your best to excuse my possible ignorance or stupidity. I have been researching various companies such as Denon, Sennheiser, Audio Technica, Beyerdynamic, Shure...