[KJDJ]

I love these problems! Noise from digital equipment is random and broadbanded changing Freq. groups prob. won't fix it.

Rick,
Does your recv. have an adjustable squelch? maybe crank it up to kill the noise when the trans. is turned off or goes out of range.
To tell how it's getting in trough the antennas,mic cord,or power. Just disconnect the antennas or colapse themm and see if it stops or less a problem. If it helps you have to move the recv. some where else.
If that didn't help see below.

See if your mixer has balanced mic inputs. if it does wire the 1/4" mono plug end with a TRS (stereo) plug to get the benefit of a true balanced mic connection.

OR, Your recv. should be able to output line level if so use an 1/4" to RCA and RCA Y adaptors to jack it into a stereo line input on your mixer.

OR,OR Get 2 snap-on ferrite filter chokes from Radio Shack. Snap one on the mic cable close to the mixer. Snap the other on the recv. powerline close to the recv. The latter works best if the recv. has a wallwart type power cube.

I have had the prob before with a Senhiser wireless. I had to remote mount the antennas to the top of my slant rack as far away from the computer and CD players as I could.

"Can we Fix it" "Yes We Can" ( Bob the Builder)