http://www.flyertalk.com/forum/travelbuzz/862199-does-any-ai... http://www.fodors.com/community/air-travel/headsets-on-delta...
I've heard that also historically one of the big reasons for the odd jack was to prevent theft (back when headphones were relatively more expensive and all airline headphones were designed for reuse...)
http://www.flyertalk.com/forum/travelbuzz/862199-does-any-ai... http://www.fodors.com/community/air-travel/headsets-on-delta...
I've heard that also historically one of the big reasons for the odd jack was to prevent theft (back when headphones were relatively more expensive and all airline headphones were designed for reuse...)