AUDIOQUEST - VICTORIA RCA-TO-RCA 1.0M Solid Perfect-Surface Copper+ (PSC+) Conductors Polyethylene Air-Tube Insulation Dielectric-Bias System (DBS, US PAT #s 7,126,055 & 7,872,195 B1) Carbon-Based 3-Layer Noise-Dissipation System (NDS) Cold-Welded, Direct-Silver Plated Pure Red Copper RCA Plugs