1. Used RCA connectors by U.S, which is made of copper-plated plug, metal shell, and advantages of metal shell can be shielded from external interference. Eddy design gold plating connector makes it more stable to be connected on the device to insure high quality transmission. 2. Used genuine 99.99% high purity oxygen-free copper audio digital coaxial lines , whichspecifically designed for subwoofer audio equipment and music equipment. This line have a more high toughness engineering plastics than ohters , it can imporve the resilience and shielding properties . It has excellent shield performance and the effection of sound is particularly strong 3. Strict quality control system --- Only the products pass through three quality inspects and nine performance testings that will come out to the market. 4. Use containing 3% silver Senju solders soldering. 5. External plus a network of high-density shock as protection. 6. It is made by manual . 7. Internal Resistance: 75 Ohm Audio cable HIFl sound quality 5.1 Surround sound75Ω constant resistance Can reduce signalinterference, clean transmission channels and provide high fidelity sound qualityPure copper wire coreLossless transmission Using high-purity oxygen free copper wire coresand multi-layer shielding More stable transmission and purer sound quality 75 Q constant impedance：Avoiding transmission losses caused by signal reflection at the interface OFC shielding network：Shielding external signal interferenceRestore the natural color of the sound24K gold-plated plug Antioxidant and plug resistant High signal transduction efficiencyFlexible and durable Flexible PVC outer cover with nylon woven mesh cover, goodelasticity and toughness Make the thread body lighter and more flexible, biddingfarewell to frequent wire changesProduct parameters Brand：YYAUDIO Product Name： high fidelity signal line Core material：OFC Joint material：pure copper gold plating Shell material： pure copper shell Shell material：nylon mesh + PVC Shielding layer：dense oxygen free copper braid Scope of application：TV/audio/power amplifier, etc Warranty period：three years
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