Klark Teknik QFLEX ISOLATOR Isolation Module for QFLEX Column SpeakersVNET INTERFACES QFLEX ISOLATOR The QFLEX ISOLATOR has been designed to resolve issues that often arise when large VNET systems are put into operation. It is specifically advised in situations where: the possibility that mains earth potentials exceeding + 15V may exist between network nodes; electrical noise and interference may be present on the network cables, or wiring faults may exist on the network cable; the installer wishes to create networks