The TENHZ K5 IEM comes with 2 balanced armatures and 2 dynamic drivers. It’s equipped with coaxial graphene drivers for bass and independently developed drivers for mid and high range, delivering a supreme auditory experience. The K5 is made of aluminum alloy housing with sophisticated CNC oxidation polishing. The multidimensional metal housing offers a supreme feeling and classic look. Also, it comes with an additional tuning filter that gives you two different sound signatures to choose from, and a MMCX cable that makes for easy replacement down the line.