I am about to purchase a set of earbuds - either Shure or Etymotic, not sure which (yet).

I know KLM uses the odd 3 pin connection in J. Will I need a 1 to 3 adaptor for these earbuds to work with IFE? Or 1 to 2?

If I need the 1 to 3 any suggestions as to where to find one are appreciated.

MC