In order to save the tone to your amp you will need to use the Line 6 Edit application, which is available for download from the link below:

Line 6 Edit 3.04

http://line6.com/software/readeula.html?rid=3790

If your M-Box has the ability to function as a MIDI-USB interface, simply connect the correct midi connections to the relative inputs and outputs on the amp, and launch Line 6 edit in order to connect to your amp and edit the presets and load new tone files from customtone.com.

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