Ranko Acoustics 2.5 mm gold-plated 24K gold balanced plug.  Optimized structure designed.   

Apply high purity phosphor bronze conductor. Covered with high quality insulator.

Avoid contact impedance and make the loss of media to a very low level. High-quality brass shell plus black fine sandblasting treatment. 

Matte texture. The high-performance damping protection and anti-jamming function makes the audio signal more accurate and stable. 

Nearly lossless in transmission.