This item has been declared suspect, and is henceforth withdrawn!

DYNAHI-- since buying this gorgeous piece of kit, it would appear that my hearing is aging faster than the rest of me! So it has literally a couple hours use, and has just sat on it's shelf for some two years. It is a beast--and heavy, it is FULLY Balanced internally, dual P.S./Transformers--and...

I use the 414's (STILL) everyday--with a decent front end these cans just never cease to amaze me! And talk about comfortable, you could wear these for an entire 8hr shift and not know they're on you. And you just change the sponge pads every couple years.....

I believe toslink (fiber optic) to be more than superior to USB. Since you are only transmitting a "light-source", there is no electronic interference. IMHO

SIR, I can only agree in part...since I use a "no gain" 2A3 amp with SOPHIA O/T's with an estimated 3.5w per side. My K1000's are are in heaven, the quantity (volume) is more than adequate &  the resulting sonic quality is STUNNING, &  ORGASMIC !!!  My only plan of up-grade, is periodic "tube...

Hey great info...those ebay vendors are wanting an extra $400!!!!