SUPRA Cables is a Swedish brand founded in 1976 and manufactured in Sweden by Jenving Technology, specializing in audio, video and power cables for high-fidelity systems. Its philosophy is straightforward: focus on real electrical performance (low loss, effective shielding and optimized geometries) to keep the signal clean, transparent and reliable—without inflated pricing.
What defines SUPRA?
Swedish manufacturing with rigorous quality control (Jenving Technology).
High-purity OFC copper conductors and polyethylene insulation.
Geometries and shielding designed to minimize interference and preserve signal integrity.
A complete range: speaker cables, RCA/XLR interconnects, digital cables, HDMI, Ethernet, power cables, connectors and accessories.
Well-known series such as Classic, Ply, Sword and Excalibur, covering different performance levels and constructions.
Range overview (quick guide)
Classic: entry level with excellent value.
Ply: more advanced design with improved electrical behavior (inductance/phase).
Sword / Excalibur: high-end lines with litz construction and a focus on maximum transparency.
In Sweden, by Jenving Technology.
Primarily high-purity OFC copper, with insulation such as polyethylene and shielding to reduce interference.
Classic prioritizes value; Ply improves electrical performance; Sword/Excalibur move to litz construction and maximum transparency.
A neutral, clean and fast presentation, designed not to “color” the signal.
Yes—Sword and Excalibur are designed for demanding audiophile setups.
Yes—alongside audio, they offer HDMI, Ethernet, power solutions and connectors.
