Qed QX075 Professional is a range of high quality cables and accessories designed to give the same performance and value as our domestic award winning QED cables. This gives an assurance of better reliability and higher performance to both the installer and the consumer.Large cross-sectional area of high purity copper conductors ensures good performance levels are maintained – even on longer runs.QX075 PVC is high performance and exceptional quality installation speaker cables with a flame retardant PVC outer sheath. They are designed to deliver excellent levels of performance in all multi-room and home cinema installations.