The pin-out for the LCD mini-XLR connectors (those that go into the headphones themselves) on our LCD series cables is as follows:
1 and 4: +
2 and 3: -
Left and right are the same.
The single ended version is wired for the current standard:
Standard Unbalanced Headphone TRS Plug
For our balanced cable, the 4-pin XLR at the source end is wired to the current XLR standard:
If you'd like some additional info on various ways to wire headphone cables, this website is very instructive.