D and M Professional, parent company of Denon Professional, Marantz Professional and Denon DJ, manufactures and distributes a reliable line of professional audio and video equipment for the broadcast, commercial, corporate, DJ, education, government, audio/visual, houses of worship, security, and related industries.

Denon's heritage extends back to the dawn of music reproduction. Commencing in 1910, Denon was originally the brand name of Nippon Columbia, the first recording and audio company in Japan. In the 1930s, Denon became known as a supplier of professional recording studio and broadcast equipment. Since then, Denon Professional has become a world leader in the manufacture of the highest quality audio, audio/video, broadcast and installation products. Denon has been responsible for much fundamental advancement in audio technology, including the development of Pulse Code Modulation (PCM), the basis for digital audio.

As the industry's leading producer of consumer and professional audio and audio-visual equipment, Denon boasts comprehensive research and development capabilities and is supported by a dedicated international production and distribution network.

Denon Professional products can be found world-wide in applications ranging from mobile DJs and commercial venue installations through to broadcast applications and professional recording studios.