[2] Originally founded in 1957 as KLH Research and Development Corporation in Cambridge, Massachusetts, the company takes its name from the initials of its founders: Henry Kloss, Malcolm S. Low, and Josef Anton Hofmann.

[4] In 1970, KLH became a wholly-owned subsidiary of Electro Audio Dynamics (EAD) of Great Neck, New York.

Kyocera later decided to stop manufacturing audio products, and sought a buyer for the KLH brand.

In 1989, KLH was acquired by Wald Sound of Sun Valley, Los Angeles.

[6] In January 2017, Kelley Global Brands bought the company and renamed it KLH Audio.