About this item 【99.9999% High-Purity Grain Boundary-Free Oxygen-Free Single Crystal Copper and Single Crystal Copper Plated With Silver】：The HIDIZS BL4.4A-RC balanced headphone upgrade cable is composed of 26AWG (about 0.4mm in diameter) 6N (99.9999%) 120 strands of oxygen-free single crystal copper wire + 6N oxygen-free single crystal copper silver-plated wire as the core for 4-strand mixed braiding made. The bus diameter is about 4mm. Its resistance is about 13% lower than that of ordinary copper. 【The Outer Skin Of The Wire Is Made Of A-Grade Environmentally Friendly PVC Material Imported From Germany】HIDIZS BL4.4A-RC Balanced Headphone Upgrade Cable adopts A-grade environmentally friendly PVC imported from Germany as the outer skin material. It feels smooth and odorless, durable, not easy to oxidize, and does not change color or yellow after long-term use. It can provide a certain support force during storage, prevent excessive bending of the wire, and effectively protect the core wire. 【4.4mm Standard Gold-Plated Oxygen-Free Copper Headphone Plug】： The HIDIZS BL4.4A-RC balanced headphone upgrade cable adopts the 4.4mm balanced standard interface plug. The plug is L+, L-, R+, R-, GND from front to back, a total of five poles. The material of the plug is gold-plated high-purity oxygen-free copper. The gold-plated surface can greatly improve the anti-oxidation ability, and the texture is stable for a long time. 【0.78mm 2pin Headphone Jack】：The HIDIZS BL4.4A-RC balanced headphone upgrade cable adopts a standard 0.78mm 2pin interface. Compared with the 0.75mm standard, the contact area is larger and more stable, and it is not easy to bend. It improves the stability of transmission and is more durable. The size of the positive and negative double pins of 0.78mm 2pin is exactly the same, which can be adapted to most of the flat female base earphones on the market and all HIDIZS brand earphones. 【Polycarbonate Integral Injection Molding External Interface】The exterior of the interface is made of Korean polycarbonate, which is integrally injection molded. Long-term use will not loosen or deform, polycarbonate has good hardness and excellent wear resistance. The pins of the interface are made of gold-plated oxygen-free copper material, which has better hardness and excellent craftsmanship. Gold-plated oxygen-free copper pins change the internal and surface current distribution pressure. Hidizs wants to bring everyone who loves music into the “concert hall”, restore the scene for each user, and restore every real detail. Hidizs has studied tens of thousands of chips, materials, users and professional audio equipment around the world, and has manufactured a series of professional audio equipment through the development of professional DAC and independent headphone amplifier circuits and other technologies. Hidizs MQA Music Player HIDIZS Leather Case Hidizs Mini HiFi DAC & AMP Hidizs Mini HiFi DAC & AMP In-Ear Earphones In-Ear Earphones Balanced Adapter / Cable Balanced Adapter / Cable How did we get started？ At the beginning of 2010, the Hidizs project team was established. In January 2014, the first portable HiFi audio player AP100 of Hidizs was officially released at CES in the United States. Dimension One！ Hidizs can not only provide melodious and wonderful music enjoyment, but also have great appreciation value in product appearance. The strict and standardized manufacturing process makes every product of Hidizs perfect. Love our work！ Hidizs will not stop moving forward and go all out to make better HiFi audio equipment and become a world-class HiFi brand.
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