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Audio Interface, periodic buzzing

Hey,

I hope this is the right place to ask this question..

so I got a new Motu M2 Interface about a month ago. Since then there are periodic buzzing sounds coming from the Headphone Amps at "random" times. Sometimes it runs 3 hours without a Problem and sometimes the buzzing happens twice in 5 minutes. Turning the Interface off and on again "fixes" the buzzing temporarily.

Background noise?

Hi, I'm kind of new to this. I am recording audio and getting a constant sort of noise. I've included a sample where the noise has been recorded by itself.

I'm currently running a setup where the audio comes from a wireless Shure microphone receiver, to a live mixing console. A Presonus StudioLive 32.4.2AI mixing console. The console is used for live sound mixing.

Audio
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