voice communication

First things first, apologies if this is the wrong forum for this. As you can see, I am not just a new user, I'm not even a diver. However, my position at a public aquarium has me bearing the responsibility of bridging communication between our divers and our visitors. My purpose for making an...

I'm considering upgrading my mask and regulator to an Ocean Reef full face mask so I no longer have to hold regulators in my mouth, don't have masks fogging, and the have the ability to actually talk with my mask on. So my question is: has anybody tried talking in their full face mask while...