Difference between fix wing and heli headset

[TSRABECOMING]

I am going to buy one David Clark headset. But there s something I am not sure. It is the difference between heli and fix wing headset. I am going to fly and airplane not a heli. Can anyone give me the answer.

[safelife]

The plug is different.

[NutLoose]

May help

Aviation passive noise reduction headsets (http://www.flyingshop.com/passive-headsets/)