Ultimate Ears Professional, the company that pioneered in-ear sound, has a new set of high-end (and high-priced) earphones called UE Premiere that are truly exemplary.
UE Premier review: How $3,000 earbuds almost ruined music for me
Ultimate Ears New Flagship iem Premier Headphone Reviews and Discussion
Ultimate Ears PREMIER 21-Driver Custom-Fit In Ear Monitors – Ultimate Ears PRO
UE Pro PREMIER review - SoundGuys
UE PREMIER – Ultimate Ears PRO
Ultimate Ears Pro UE PREMIER In-Ear Monitors –
Ultimate Ears UE 7 Pro IEMs – Apos Audio
Ultimate Ears UE PREMIER in-ear monitors
UE Pro PREMIER review - SoundGuys