I have a set of Etymotic Research earphones, they don't do noise cancelling, all the noise reduction is from the design of the plug. [1] https://www.etymotic.c

I have a set of Etymotic Research earphones, they don't do noise cancelling, all the noise reduction is from the design of the plug. [1] https://www.etymotic.com/consumer/earphones.html https://www.etymotic.com/consumer/earphones.html