You can specify a device using two options, -x and -d.
The option is -x 0. You can specify the device name using -d. The default device name is plughw:0,0.
The option is -x 1. You can specify the device file using -d. The default path to the device file is /dev/sinichusb0.
The option is -x 2. You can specify the IP address using -d. The default IP address is 192.168.33.24.
In addition to thees options, you can specify other device dependent options such as gains; see help for wios for details.