Ranko Acoustics 3.5mm rhodium and silver-plated balanced plug.

Optimized structural designed. Combined with single crystal copper silver alloy conductor. 

Covered with high quality insulator. Avoid contact impedance and reduce the loss of the medium to very low level. 

Choose high quality brass shell plus black fine sandblasting, Matte texture. Good shock protection and prevent impurities. 

All those make audio signal to be more accurate and stable. Nearly lossless in transmission.