It's gotta be the mic. The speaker is plugged in, I've been listening to it for a while. I've made sure the mic was plugged in. The best I got was a full read of all positions, but when I moved to the next position it would say no speaker or no mic. I guess I could call Denon customer service and get a replacement?

M80v3s, M5HP, QS4s, M22s, EP350v3, Denon X3700H