Ahaha sorry for the lack of understanding (as I said previously, I'm a total newbie at this), but does drive by mean that it can play without an amp? 

Thank you very much for your help!  Your opinion has heavily pushed me towards choosing the HD598.   Just wondering, if I were to get the Sennheiser HD598, would an E6 work too? Or would it make little to no difference compared to the E11?  Hoping to save 40ish dollars :P 

Hi! So I'm totally new to the whole audiophile world lol!  But I'm trying to decide on a pair of headphones, and these three three, the AKG Q701, Sennheiser HD598, and the Boss Quiet Comfort 3 are the ones I've narrowed it down to.    I've chosen the AKG Q701 and Sennheiser HD598 due to a...