Big Sur 3.5mm Mini M > M Analog Audio Interconnect Cable Connect a wide range of audio electronics with this AudioQuest Big Sur 3.5mm Mini analog interconnect, meticulously designed for outstanding flexibility and versatility. Key Features & Technology Explained AudioQuest's best copper To the greatest extent presently possible, extreme-purity Perfect-Surface Copper+ (PSC+) conductors minimize distortion caused by grain boundaries. Metal-Layer Noise-Dissipation Metal-Layer Noise-Dissipation shields noise effectively, absorbing and reflecting most RFI before it reaches the ground layer. Foamed-Polyethylene Foamed polyethylene's high air content minimizes energy absorption for clearer sound. Solid Conductors All conductors controlled for RF-noise directionality. Specifications Metal ZERO: Solid Perfect-Surface Copper+ (PSC+) / BASS: Solid Perfect-Surface Copper+ (PSC+) Noise Dissipation Metal-Layer Geometry Asymmetrical Double-Balanced Terminations Cold-Welded, Gold-Plated Purple Copper Signal Type Analog Insulation Foamed-Polyethylene