K kwschumm Active Member Dec 17, 2017 #1 The HAI kepads with mic and speaker, that were installed in 2000, used to hiss. Do the newest 33A00-4 keypads still hiss? I'd like to install one near the bed but not if they are not quiet. Thanks in advance!
The HAI kepads with mic and speaker, that were installed in 2000, used to hiss. Do the newest 33A00-4 keypads still hiss? I'd like to install one near the bed but not if they are not quiet. Thanks in advance!
D Desert_AIP Senior Member Dec 18, 2017 #2 Maybe a bad voice board? I have two, installed since 2010, no hiss.