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I have talked to someone and they suggested that using the Expression Pedal feature is possibly a better route to take here. But the question still remains that I would like to be able to adjust all the parameters of active effects and not just one or two of them. Is there a controller that can do that? Still looking for some answers here.

Has anyone tried or know if it is possible to do this. I was wondering if it is possible to setup and use a midi controller (something like this - http://www.behringer.com/EN/Products/BCR2000.aspx) to control the and manipulate the an M9? I would like to be able to turn effects on and off and and adjust parameters of active effects on the fly that are not displayed on the LCD display and still be able the use the tap tempo by foot and active effects from the unit if need be. Does anyone have any information or help about this query?