ChatterVox
The ChatterVox is a portable voice amplifier used by persons with weak voices.  It can boost speech volume by as much as 18 decibels.   Informational website:  http://www.chattervox.com

Rand Voice Amplifier
Pocket size amplification system for persons who need a very small speech amplifier.   Informational website:  http://www.luminaud.com

Speech Enhancer
The Speech Enhancer is used to clarify and restore functional voice volume.  Informational website: http://www.speechenhancer.com

NU-VOIS
Neck type artificial larynx for laryngectomee.   Informational website:  http://www.luminaud.com

COOPER-RAND
Intra-oral artificial larynx laryngectomee.  Informational website:  http://www.luminaud.com