Designed to be Ultimate Ears' most deluxe custom earphone, the UE-11 Pro ($1,150) boasts a quad armature (two bass, one mid, one high) per ear speaker array, linked with a first-of-its-kind miniature three-way crossover. The result is supposed to be sound that's detailed across the entire perceptible audio spectrum, yet capable of offering the added warmth you'd hear from a speaker system with a dedicated subwoofer. In addition to being custom-molded…
