Very advanced device uses a PCI-Express card to allow USB 3.0 to reach 50M distances using fibre optic cable. Great condition. Expansion for USB has (2) USB 3.0 ports. (3) sets of fiber cable included. Dual voltage or can be powered with battery as it is 12v 3amp. (CARDAS xlr adapters not included). New was $400, asking $185 shipped CONUS.
