Yes. It stops working when both are plugged into the pedal. It works fine when the M400 isn't plugged into the pedal. I think the M400 is the cause.
Message
Re: [newmellotrongroup] Expression Pedal Jack Wiring
2014-03-25 by <tron400@yahoo.com>

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2014-03-25 by <tron400@yahoo.com>