The Etymotic® ER3 SE and XR packaging were designed to pop off the shelves at retailers and communicate their state-of-the-art sound experience. The ER3 earphones have been developed using cutting edge technology; Balanced–armature receivers create a sound experience like no other. Gradient color sets were used to showcase the uniqueness of both earphone types. The ER3 SE in-ear earphones offer studio grade accuracy and are perfect for music producers. The ER3 XR in-ear earphones feature enhanced and extended bass, making them ideal for music lovers.

  

The ER3 SE Studio Edition earphones are noise isolating, studio grade in-ear earphones that are ideal for music producers. 30+ dB of external noise isolation eliminates all outside distractions. 122 dB SPL allows the user to listen at high volume without risk of damage to the earphones.

  

The ER3 XR Extended Response earphones are noise isolating, in-ear earphones with enhanced and extended bass. This makes them ideal for music lovers. 30+ dB of external noise isolation eliminates all outside distractions. 22 Ω of impedance allows for a high quality audio experience with all devices.