AssesAssesEverywhere t1_j6jscuj wrote
Reply to comment by pseudopad in eli5: Why do most airlines still use 2-pin audio jacks for the in-flight entertainment systems on their planes? by JJGLC92
You could probably get a stethoscope and pull the end off, then just place the tube on your phone speaker to get the same effect. It was very hollow sounding. I did enjoy a handful of movies with them on the flights, so they worked enough.
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