The ES3X is the latest addition to the famous Elite Series, designed to offer performing musicians a well-balanced monitor no matter what instrument they play. Utilizing the latest in balanced armature technology, with a true three-way design (separate low, midrange and high), the ES3X delivers incredibly smooth response without accentuating any particular band of frequencies. The premier true three-way custom in-ear musicians’ monitor for any performing musician. With 25 dB of ambient noise reduction and the long-wearing comfort only a custom earpiece can provide, the ES3X is the choice for the most discriminating musician. The ES3X is also an excellent option for any personal listener looking to upgrade their iPod® or media player with a high-end, well-balanced custom earphone.