It was funded by the DC Technology Assistance Program to help increase communication between sound contractors and hard of hearing consumers. Use it effectively in small groups but discover challenges in large group applications. Note that you get what you pay for.
Good microphones can be the most expensive part of a sound system.
Use the follow-up as an opportunity to review product needs. This is not just a device for HOH people. Referrals to other ALS installation sites. Take a field trip. This project was funded by University Legal Services Assistive Technology Program for the District of Columbia, a grant funded by the U.S. Department of Education, National Institute on Disability and Rehabilitation Research, under the Technology-Related Assistance for Individuals with Disabilities Act as amended and administered through the District of Columbia Department of Human Services Rehabilitation Services Administration and University Legal Services.