OP–1 field, OP-1, TX–6 etc, all support usb audio class 1 compliant interfaces.
you should be able to see if your interface is class 1 or class 2 by checking the specifications of your interface. otherwise, contact the manufacturer of the device to check.
only class 1 interfaces are supported, so any class 2 interfaces (unless they have a way to switch modes) are not supported.