I ordered this voice amplifier and it worked perfectly, but was not quite loud enough for the deaf residents.

I am so glad I purchased it, it's a keeper!VoiceBooster Voice Amplifier 10watts Black MR1506 (Aker) by TK Products, Portable, for Teachers, Coaches, Tour Guides, Presentations, Costumes, Etc.

This voice amplifier works quite well, but it sure ain't cheap

This voice amplifier works quite well, but it sure ain't cheap

I bought the Aker Voice Amplifier in August and I love it.

VoiceBooster Voice Amplifier 10watts Black MR1506 (Aker) by TK Products, Portable, for Teachers, Coaches, Tour Guides, Presentations, Costumes, Etc