CEDIA 2016: Zigen Upgrades SW41 and SW42 Switches to Add Drag and Drop InterfaceSeptember 20, 2016 | Home / September 20, 2016 rave-video / CEDIA 2016: Zigen Upgrades SW41 and SW42 Switches to Add Drag and Drop Interface CEDIA 2016: Zigen Upgrades SW41 and SW42 Switches to Add Drag and Drop Interface