High pitched noise coming from the front camera

[jackeylilin]

Hi, my blackvue DR650GW-2CH has some high pitched noise coming from the front unit and it wont go off. In addition, the voice alerts are kind of muffled. Just had my car shipped from east coast to California and reinstalled the cameras. I guess it might be the overheat problem and somehow the speaker was damaged. Any thoughts about this issue? Thanks~

 

[Andy Moore]

Interesting, I've got the high-pitched buzz set when an Event is triggered - don't hear it any other time