REFERENCE DIAMOND REFERENCE DIAMOND interconnect cable employs higher diameter conductors than MICRO yet with the same flexibility as PICCOLO and MICRO. Providing even more of Crystal Cable’s characteristic speed, neutral and transparent performance for a fantastic listening experience. Technical Specifications:- Connectors: RCA / XLR Conductor: Silver - Gold alloy Insulation: Kapton by Dupont® Outer shield: Teflon® Other connections may be available. Every cable comes with limited lifetime warranty of 8 years against manufacturing defects and is marked with a unique serial number and warranty certificate to ensure its authenticity.