According to information from Listen Technologies and OWI, many schools are unaware of the Americans with Disabilities Act (ADA) requirements that relate to hearing impaired students. The ADA mandates that schools install assistive listening devices in every newly constructed or altered classroom or assembly area. – See more at: http://www.hearingreview.com/2015/08/schools-must-comply-system-requirements-hearing-impaired-students/#sthash.4FYrLuSG.dpuf