QED Support

Supremus - Q. What is special about the QED Supremus speaker cable?


  1. The largest cross sectional area of pure copper ever incorporated into a QED loudspeaker cable, enables Supremus to deliver the ultra-low resistance required to ensure perfect fidelity of the musical signal.
  2. AirCoreā„¢ Technology, unique to QED cables, means unrivalled high frequency detail, rhythm and timing.
  3. Supremus boasts sixteen silver plated, 99.999% oxygen free copper, solid core conductors. To deliver its no compromise sonic performance, each individual conductor is insulated by a nearly invisible layer of enamel, providing ultimate insulation for a more detailed output.

    • Related Articles

    • Sound of Science

      "We have always believed that the most sophisticated sound receiving device of all time is the truly incredible human ear, and we both acknowledge and are challenged by how this wonderful instrument can detect the most minute of sonic differences ...
    • Q. Which QED cable has "balanced design concept speaker cable" printed on it?

      Answer: The QED Silver Anniversary cables have "QED balanced design concept speaker cable" printed on the jacket.
    • The Supremus Report

      At QED all our cable designs are informed by our exhaustive ongoing research into cable parameters which began in 1995 and is detailed variously in the Genesis Reports. These reports set out the design-principles to which we have since adhered and ...
    • Supremus - Q. What are the benefits of bi-wiring using Supremus speaker cable?

      Answer: We have yet to introduce a bi-wire version of Supremus, but doubling up two single wires would have the effect of doubling capacitance and halving inductance and resistance. It won’t affect the dissipation factor, because that is a unit-less ...
    • Q. Are QED loudspeaker cables directional?

      Answer: No, our loudspeaker cables are not directional, but you should orientate them the same way on both channels, for example with the QED logo going away from the amp towards the loudspeaker.