Etymotic Research ER4SR Reference Earphones Etymotic Research 5mm cable adapter for laptops

5mm cable adapter for laptops

This package offers an unparalleled listening experience

We have succeeded in leveraging the experience of developing and manufacturing our own dynamic drive unit to draw forth the advantages of pure Beryllium

This configuration delivers a unique and charming sound

Etymotic Research ER4SR Reference Earphones Etymotic Research 5mm cable adapter for laptopsOverview ER4SR 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.