According to this:
https://vogelchr.blogspot.com/2015/11/behringer-x-air-xr18-t...
It utilises XMOS and FPGA and 400MHz ARM is only to handle the user interface.
https://vogelchr.blogspot.com/2015/11/behringer-x-air-xr18-t...
It utilises XMOS and FPGA and 400MHz ARM is only to handle the user interface.