Product Description ★ high-quality model that spun out by the co-star of the housing and bio Dina diaphragm which adopted the black walnut solid machined out material, a glossy and natural sound. ◆ (Product Features) ● Use a heavy hardwood carved luxury black walnut solid with stickiness. Taking advantage of the beautiful wood grain, achieve a glossy sound. ● magnetic circuit, equipped with a 50mm driver unit of magnetic flux density of 1 tesla. Providing a vast dynamic range with low distortion by the super strong magnetic circuit. ● adopt a "bio Dinah" by bio-cellulose technology of our own development in the diaphragm. Rich super-low-pass, gentle mid-range, and, in particular, play a high frequency with excellent presentation ance. ● The internal parts, and extensive use of aluminum / magnesium, achieve a high texture and light weight. The baffle plate by adopting a high-density type resin, to reduce the occurrence of resonance noise, high resolution and rich mid-range, achieve a good bass reproduction. ● equipped with a detachable connector port. The detachable part contact terminal of the cable side terminal and headphone body side, the hardness is high wear resistance, excellent rhodium plating treatment to corrosion resistance applied, improve the reliability. In addition, corresponding to the balance connection with optional replacement for the balance cable in the "ET-H3.0N7BL". ● The headphone cable, adopting the pure copper premium cable exhibit excellent conductivity by special processing representation to clear the entire band. ● adopt a foam cushion and soft tone leather luxury population leather. Providing a comfortable fit and high sound insulation.