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Does anybody know how the output impedance differs between the 3.5mm and 6.3mm headphone jacks?
I wanted more power for a low sensitivity, low impedance pair than the 3.5 would give me, so I tried using the 6.3, and noticed a distinct drop in SQ. My working guess is that jack has a much higher output impedance for some reason, since high impedance cans (including the 250 ohm DT880 and 300 ohm HD800) sound GREAT out of the 6.3mm jack. My only complaint is I'd like a bit more gain to play with, I spend a significant amount of time with the slider at 100%
Technically the only difference b/w TRS 1/4" and 1/8" is peak crosstalk performance, 1/4" TRS maxes out on 96dB, while 1/8" TRS at 88dB due to smaller contact area. But even that number is way past audibility even at worst case scenario.
absolutelyu nonsense :) I own two of these C4's. The large headphone out outputs much much more powerfully which is good for old/large headphones. Powerfull base and mids without distorting at higher volumes. Good luck and enjoy your music whatever player you settle with. I cannot be happier I love my C4's.