Noble Audio FoKus Rex5The Noble FoKus Rex5 earbuds are designed with a hybrid five driver configuration to deliver remarkable depth and clarity of sound rarely achieved in true wireless audio. Each earbud combines a powerful 10mm dynamic driver, a precise 6mm planar driver, and three balanced armature drivers, creating an impressive soundstage that effortlessly delivers rich, full bass, detailed mid tones, and crystal clear highs across an extended frequency range of 20Hz