Bernie, when I was working and someone needed a mic for announcements, I merely plugged my old Samson Q7 directly into the Bose mic input, no effects. Worked like a charm.

Good luck,

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)