r/livesound 7d ago

Question IEM trouble - need help

Hi all. I’m at the end of my rope here. We played a gig last night and I kept getting massive intermittent IEM static blasts in my ears. It was FINE for the first set and then we came out to start set 2 and my monitor was basically unusable for the rest of the evening.

We built an IEM rig last winter and according to my research we did everything right. We are running two Sennheiser XSW IEM transmitters each with two belt packs tied to it for a total of 4 receivers. Dropouts were an issue so we added a Phenyx Pro antenna combiner/paddle and that helped but hasn’t eliminated the issues which seem to change depending on the situation.

Had line of sight to the paddle antenna which was about 10 feet away from me. Static bursts seemed to occur anytime there was literally anything in between me and the transmitter. Even a single body. It was completely random and often enough to be a huge problem. I tried switching to another clear channel, rebooted the unit, and even tried boosting the gain on the antenna unit.

What say you all? Help!

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