6N Single Crystal Copper Headphone Upgrade Cable for Shure SRH1440, SRH1540, SRH1840

Technical Specifications

• Cable Length：1.8 m (71 in)
• Construction：8-Core Hand-Braided
• Conductor：6N Single Crystal Copper
• Wire Gauge：26 AWG
  
• Jacket Material：Premium-grade Soft PVC Jacket
• Core Configuration：Each core consists of 19 individually stranded conductors
• Termination Options：4.4mm Balanced (Pentaconn) / 3.5mm Single-Ended (stereo) / 2.5mm Balanced / 4-Pin XLR Balanced / 6.35mm Single-Ended
  

Precision Assembly & Soldering

All plug and connector terminations are hand-soldered using premium gold-silver solder, ensuring excellent electrical conductivity, stable signal transfer, and long-term reliability.

To further enhance structural integrity, every solder joint is reinforced with UV-cured resin, providing additional protection against oxidation, vibration, and mechanical stress for outstanding durability and consistent performance over years of use.

Why 6N Single Crystal Copper?

Engineered with 6N Single Crystal Copper, this cable utilizes ultra-high-purity copper conductors with an advanced continuous crystal structure. By minimizing crystal boundaries and reducing signal transmission barriers, it helps preserve signal integrity while delivering a natural, rich, and highly musical listening experience.

• Rich Tonality & Natural Musicality：Experience a fuller and more organic sound signature with enhanced tonal density and natural timbre. Vocals gain richer texture and emotional presence, while acoustic instruments benefit from more realistic body, warmth, and harmonic balance.
• Powerful Dynamics & Smooth Transient Response：The high-purity copper conductor delivers excellent current transmission capability, improving dynamic contrast and musical impact. Bass response becomes deeper and more controlled, with enhanced weight and definition while maintaining a smooth and natural presentation.
• Refined Detail & Cohesive Imaging：The stable conductor structure preserves subtle musical information while maintaining excellent coherence across the frequency range. Instruments and vocals are presented with a more solid foundation, accurate positioning, and a naturally layered soundstage.

Compatibility

Engineered specifically for headphones featuring Shure Dual MMCX Connectors：

• Shure
  SRH1440, SRH1540, SRH1840
  

To ensure your cable is configured correctly, please specify your Headphone model and preferred cable termination when placing your order.