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Tirstrup 2 Pin IEM Earphone Cable for Inear Monitor-Silver Plated Copper Connector 2Pin 0.78mm /MMCX/Sens IE80/IE40Pro/IE100/IE300/ATH-E40/E50/IM50/IM70 (4.4mm)

The cable is a 4 core 7N OCC Pure Copper with a Type 2 structure and an eye-catching thickness of 23AWG. The thickness already gives off the reason behind its name. Each line contains 7 groups that are stranded with 19 wires each, coming into a total of 532 wires. This cable is applied with the best wire production technologies such as highest purity of materials, OCC, Litz and Cryo treatment. It has wires made of Highest purity OCC Copper, up to 7N (the purity of 99.9999x%). Besides, Copper is also known as one of the most conductive materials, therefore, highest purity of Copper leads to highest conductivity.
OCC (Ohno Continuous Casting) is the most advanced casting technology developed to help defeat annealing issues and virtually eliminate all grain boundaries in copper or silver with a unique patented process. 7N OCC wires are made at one of a very few factories in the world which can apply this advanced technology.
Type 2 construction helps to keep the impedance constant a

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7N OCC Silver Plated Copper Type 2 Litz 23AWG 133 core OD 1.25 mm 4 stranded hand knitted thread Highest purity copper

Additional Information
First Listed on Newegg	June 11, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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