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Hiss through IEM

I am having a problem with hiss is my IEM. I'm using the Shure PSM200 system. I am receiving two sends.

1. My monitor mix.
2. Click (Boss db-90)

My monitor mix is perfect. Everything sounds great...no hiss at all. But the other channel with the click is Very hissy. The hiss is ridiculous. I am getting the signal from the headphone out of the db-90.

Any ideas?
 
PSM200 is a mono system. Mono inputs and you're running a stereo signal into it?

Try a stereo to mono cable and turn the db volume down and turn up PSM input.

Might just be the quality of the db 90 is not really hi tech gear.
 
PSM200 is a mono system. Mono inputs and you're running a stereo signal into it?

Try a stereo to mono cable and turn the db volume down and turn up PSM input.

Might just be the quality of the db 90 is not really hi tech gear.

I agree the BOSS gizmo is kicking it out due to it not being a very hi-fi device. You might try using a Rapco LTI-Blox to convert the Hi-Z/Semi-Amplified output of the BOSS gizmo and it will properly mono sum it into a Lo-Z balanced signal, plus it has a variable pad rotary pot on it as well to back down signals that are too hot. Might solve your issue.