Posted for "Shannon Knoepflein" <kycshann@kyol.net>:

Bill,
  
MH offers a green military type mask that has a built in mike that works
with their systems.  You might try that.  I bought one, but haven't
tried it yet.  I did try it on and it felt comfortable.
  
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Shannon Knoepflein   <--->   kycshann@kyol.net