If it is like the 600, you want to set the Trim to "flat" for starters, crossover to bypass or cranked to the max, phase to 0 for starters.

What switches are you talking about?

Have you run the calibration test tones from the receiver, do you get the pink noise (static) sound when calibrating with the mic?

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
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