QED Support

QX16 - Q. What grade of copper is used in the QX16/2 and QX16/4 speaker cables?

Answer:

We can confirm that the professional speaker cables are constructed from 99.9% OFC high purity copper.
    • Related Articles

    • Audio 40 - Q. Why are the conductors so small in your QED Audio 40 range?

      Answer: QED Audio 40 cables are designed primarily to have low capacitance, we have found that these sound the best for various technical reasons. The larger the conductors the more difficult it is to keep the capacitance low so, we have used the ...
    • 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, the writing on the cable jacket/sheath gives the direction of draw of the conductors when manufactured, we advise the ...
    • Q. Are QED HDMI cables 2.0 compatible?

      Answer: All current QED HDMI cables are already compatible with the HDMI 2.0 standard and carry the "High Speed with Ethernet" logo and 3D/4K logos. For more information, please click here.
    • Supremus - Q. What is special about the QED Supremus speaker cable?

      THE ULTIMATE EXPRESSION OF SOUND BORN FROM PURE SCIENCE 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 ...
    • QED Technologies Overview

      QED has an extensive range of products from quality entry level to high-end cables. Learn more about QED cable technologies here.