12pcs Medium (Black) Soft Replacement Eartips Earbuds Set Compatible with Audio-Technica CK Series, CKS Series, CKM Series, CKL Series, CKF Series, and ANC Series in-Ear Earphones

I like Travelocity they are taking a look at the ACH ANC 33 is active noise-cancelling headphones these headphones or earphones as the name suggests are active noise-cancelling earphones which means basically they need a battery to work these are probably the most affordable active noise-cancelling headphones on the market at the moment and can be picked up in amazon for only about $78 the older version is also available for about $49 I picked mine up on eBay for around 75 Australian dollars which is a fairly reasonable price for inside Australia Audio Technica claims that these particular earphones reduce the environmental noise by up to 90% however I don't really think this is the case also the reduced long consistent noises by about 70 to 80% but you do still get Swagger's coming through like people coughing or beefing of the train doors the difference is noticeable when switching be