QED

About QED

QED is a British audio specialist founded in 1973, widely regarded as a pioneer of high-performance audio and AV cables. Its 1976 "79 strand" speaker cable is broadly recognized as the world's first specialist speaker cable, helping establish that cabling can have a measurable impact on system performance. QED designs and engineers speaker cables, analogue interconnects, digital and HDMI cables, USB and power cables, and networking accessories, backed by in-house testing facilities and lifetime guarantees on many products.