Etymotic ER20XS High Fidelity Earplugs Size:Standard (Clear) interchangeable eartips to ensure a

interchangeable eartips to ensure a comfortable fit for different sized ears

The target curve that Etymotic is using for tuning our IEMs differs slightly from the Harmon preference curve

reducing noise by approximately 22 decibels

medium (M)

Etymotic ER20XS High Fidelity Earplugs Size:Standard (Clear) interchangeable eartips to ensure aEtymotic ER20XS High Fidelity Earplugs are the highly awaited next generation of Etymotic's industry leading ETYPlugs High Fidelity Earplugs for musicians. Etymotic ER20XS High Fidelity Earplugs feature patented Hi Fi technology that lets you hear all frequencies clearly, just as if you had no plugs in, but at a lower volume level. Features New, discreet design Performance matches Etymotic's original high fidelity earplugs developed for musicians