FlyerTalk Forums - View Single Post - Two styles of headphone adapters
View Single Post
Old May 28, 2009 | 6:21 pm
  #6  
redburgundy
 
Join Date: Sep 2003
Location: Rockville MD USA
Programs: UA former 1K MM
Posts: 2,184
I think that some aircraft have two jacks for separate left and right, others have two jacks for stereo audio and noise-canceling signal.
redburgundy is offline