Ranko Acoustics 4.4mm rhodium and silver-plated balanced plug. Optimized structural designed.   

Apply 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 with black fine sandblasting. Matte texture. Goog shock protection and prevent impurities. 

Thus make audio signal more accurate and stable. Nearly lossless in transmission.