Etymotic ER20XS High Fidelity Earplugs Size:Universal Fit (Grey / Clear / Black) NOHSC: 1007 (2000) - National

NOHSC: 1007 (2000) - National Standard for Occupational Noise (AUS/NZ)

Great for sleeping

without trashing the sound quality

Frequency Response: 20Hz – 20KHz

Etymotic ER20XS High Fidelity Earplugs Size:Universal Fit (Grey / Clear / Black) NOHSC: 1007 (2000) - NationalEtymotic 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