Etymotic Research ER4XR Audiophile Earphones In-Ear Because the IE 300 shields

Because the IE 300 shields you from ambient noise

being the “fun” model

and flat-folding

Bathys portable headphones offer two noise cancellation modes for a total escape into the music: a “Silent” mode optimised for journeys with high background noise (planes

Etymotic Research ER4XR Audiophile Earphones In-Ear Because the IE 300 shieldsER4XR is the highest performing single driver in ear monitor. The IEM shells are made of anodized aluminum, CNC machined with extremely tight tolerances. Using a single Balanced Armature (BA) driver allows for extremely accurate IEM without the added complexity of crossovers, and helps keep the aluminum body small and slim. The included high quality user replaceable cable is reinforced and twisted, to improve longevity and durability. Etymotic IEMs