27 4000 - Sound and Video

See also:
11 5200 - Audio-Visual Equipment
11 5210 - Assisted Listening Systems


Williams Sound

Williams Sound
Global designer and manufacturer of wireless communication technology, serving professional listening needs worldwide since 1976. Our products support commercial and institutional markets including hearing assistance, language interpretation, tour, corporate, education, government and house of worship.  Systems utilize a range of technologies and fulfill ADA requirements for hearing assistance.


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Williams Sound

Williams Sound
Global designer and manufacturer of wireless communication technology, serving professional listening needs worldwide since 1976. Our products support commercial and institutional markets including hearing assistance, language interpretation, tour, corporate, education, government and house of worship.  Systems utilize a range of technologies and fulfill ADA requirements for hearing assistance.