Hi Jason, I am the A/V tech for my deparment and I might be able to help you with the feedback issue.  Generally, feedback is caused when the origin microphone picks up sound from the destination speaker.  This phenomena is called a sound loop.  The best way to prevent this is to have the mic away from the line of site of the ...

Hello all, My department has been experiencing urine leaking issues with the Nursing Kelly manikin.  The leakage occurs from the penis/vagina whenever the manikin is slightly moved.  Does anyone have any suggestion to reduce this problem?  Darin