Custom in-ear headphones are the supercars of personal audio
The UE18s are akin to a McLaren, more of a driver’s car targeting the professionals first
Custom earphones have been around for a long while, and their premise couldn’t be simpler. Instead of throwing a dozen different types and sizes of tips your way, customs are designed for the specific shape of your ear canal — they’re like a tailor-made audio suit, basically.
The UEs are also fantastic in their handling of vocals, and they still carry a hefty bass punch when a song calls for it. Compared to these custom IEMs, every other portable headphone sounds veiled, as if the sound is seeping through layers of gauze.
Read the rest an Audiophile's Dream Headphone here.