Ranko Acoustics MMCX 24K gold-plated pin.Optimized designed. Well built with the single crystal copper silver alloy conductor.  

Equipped with good quality insulators. Thus avoids contact impedance and the dielectric loss reduce to a very low level. 

Use high quality brass as shell. Excellent shock protection and impurity filter function.Make audio signal to more accurate and stable. 

Nearly lossless in transmission.