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QED Signature Supremus Zr - Pre-Terminated Speaker Cable Pair The QED Signature Supremus Zr is a flagship pre-terminated speaker cable delivering supreme audio quality, exceptional durability, and optimal signal integrity. Perfect for high-end audio systems and home studios, it ensures natural tonality and flawless performance. Key Features Zirconia Airloc™ design: Durable zirconia barrels and boots resist wear, temperature, and performance-affecting eddy currents, while providing a luxurious finish. Cold weld system: Unifies conductors and plug components for a lifetime of flawless functionality. Rhodium-plated locking design: Ensures optimal contact between speaker binding posts and cable plugs for a maintenance-free connection. Aircore technology: Delivers consistent performance across the entire audible frequency range. 6.2 mm² ultra-low resistance conductors: Allows your amplifier complete control over your speakers. Cryogenic treatment: Enhances cable microstructure for more natural tonality. Product Overview Developed over more than five decades of technological evolution, the Supremus Zr represents QED's next-generation flagship loudspeaker cable. Featuring advanced zirconia plugs and barrels—materials prized in aerospace and automotive industries for their durability and resistance to wear and eddy currents—this cable combines cutting-edge QED Aircore™ and Airloc™ technologies to preserve the integrity and fidelity of analogue music signals from source to speaker. Download our white paper to learn more Reviews & Awards "...the Supremus Zr is an excellent performer at the price and can compete against the very best. Its neutral balance also means that it should be suitable for use in a very wide range of systems. I highly recommend you give it a try." The Ear, 5 Stars (July 2024) "Adding these cables to a quality HiFi chain is tantamount to a component upgrade. For those with a good quality HiFi system, the QED Supremus Zr cables will actually corral it into shape. Suddenly, your system will make sense, adding order, an infusion of detail and information. In short the QED Supremus Zr speaker cables sound deeply, deeply impressive." The Audiophile Man, Deeply Groovy Award (July 2024) Specifications Conductor size: 6.2 mm² ultra-low resistance Length: Available in 3 or 5 metre pairs Connector material: Zirconia ceramic plugs and barrels Technologies: Aircore™, Airloc™, Cold weld system, Cryogenic treatment Finish: Rhodium-plated locking connectors What's in the Box QED Signature Supremus Zr pre-terminated speaker cable pair (3 or 5 metres)