Yes! Multiple M8U XL
can be used simultaneously. Under Mac OS X, you can simply connect them to the
system at the same time and all untis will be available. Under Windows (XP,
Vista and 7 - both 32- and 64-bit), a special driver
is required that can be downloaded from our website. Please note that device
numbering depends on the USB ports you use for each unit - this means that if
you change a USB port for one of the connected interfaces, the port numbering
might change. Because of that, we recommend to keep the M8U XL units always
connected to the same USB ports.