UMpro30 Universal 3-Way In-ear Monitor V2 with replaceable cable The UM PRO 30 feature a true three-way crossover design. The 3 drivers are matched to individual low mid and high-frequency ranges making your mix smooth and balanced across all frequencies. The UM PRO 30's superior build quality and sound signature specifically tuned for performing artists is unmatched by any other universal-fit product. The three balanced armature drivers with passive 3-way crossover help bring the sounds you are hearing to life with detailed highs and textured bass response. Balanced-armature drivers are smaller and more efficient than traditional dynamic drivers. The cable is replaceable meaning that any wear and tear to the cable does not mean having to replace your entire setup. True-Foam Fit sleeves are included to make sure you get a perfect fit in your ear for optimal noise isolation and comfort.