is a
Japanese electronics company that was involved in the early stages of development of
digital audio technology, while specializing in the manufacture of
high-fidelity professional and consumer audio equipment. For many decades, Denon was a brand name of
Nippon-Columbia, including the Nippon Columbia record label. In 2001 Denon was spun off as a separate company with 98% held by
Ripplewood Holdings and 2 y
Hitachi. In 2002 Denon merged with
Marantz to form
D&M Holdings. The Denon brand came from a merger of
Denki
Onkyo and others in 1939.