Changing the position of the switch didn't change anything. Interestingly if I changed the Master/Slave switch to slave and the hum did quieter, but need to have it on Master.
I emailed JL Audio and received a response back to try and change the two capacitors noted in jdandy's post. I should have them in a week or so and will replace them over the Thanksgiving week. Will post my findings here.
If I have to return the amp only they will repair it for a flat $400.00.
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