Originally Posted by m3_arun
As far as I know 4 ch = fully balanced configuration. It means that each channel is driven by one signal on the + terminal AND an inverted-phase signal on the - terminal. So there is no real ground anymore, just a "floating ground" which is the sum of both + and - signals.
Thought of that, but it would not work with a trs connector, the headphone shares it groundsignal in that manner . Also i am not sure if you put the 2 amps that are busy making a negative signal together, would one not short out the other?
__________________
(Conductor to Ray Pizzi) "Bassoon player... you are wearing a Hat... will you be able to see me conduct?"
Pizzi replies: "I am happy to remove my hat, maestro, but I play with my eyes closed anyway"
iPod G3 40GB (RockBox)
iPod Nano G2 8GB
iPod Touch 16GB + Velleman HPE1
iMac 20"