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Thread: 777-300ER headphone jack
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Old Feb 22, 2008 | 9:47 am
  #5  
TastyPlaneEats
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The noise cancellation on the headphones don't work so well. I was on CX840, on one of the new 777-300ERs with the new economy classes. I had to turn the volume almost all the way up to hear the movies. However, the new AVOD system is awesome! It led to a lack of sleep for me. LOL

Originally Posted by inlanikai
It's a three-prong plug in a triangle alignment. One is for power for the noise-cancellation circuit in the headphone supplied by CX. The other two, I am assuming, are left and right audio.
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