I have long had a certain caveat with headphones and a my old 2.1 speakers, and I don't understand what causes it.   When I listen to my current headphones with the minimum/almost minimum loudness set on my DAC/amp Yulong D200, the sound is full, pleasant, with tight punchy bass. I actually...

Hello, my experience in portable audio is quite limited. I've never listened to anything better than iPod and some budget earphones. Needless to say, the sound I got wasn't really impressive. Than I decided I need to have some dignity and bought myself Senn HD280 and Rocoo P. Needless to say it...