it really depends on how you are using both, the Lumins USB port can be configured as an output or input if you are using USB in to the Lumin the upgrading to a higher quality server will improve your sound quality.
We were a Innous dealers and then we dropped Innous for the 432evo music servers.
the 432evo Aeon was directly compared to an Innous statement next gen which costs three times more and the Aeon was found too sound just as good
so if you do a direct hookup via usb to the lumin with a remarkably good server yes you can take the x1 to an even higher level
Dave and Troy
audio intellect NJ
former Lumin and Innous dealers
432evo dealers