Gemini Sound is a manufacturer of professional audio and mobile DJ equipment, including DJ CD players, DJ turntables, DJ mixers, professional amplifiers, loudspeakers, wireless microphones & DJ audio effects.
Founded in 1974, the company is based in New Jersey, USA.
[1] In June 2006, it announced the corporate name would change to GCI Technologies,[2][3] an acronym meaning Gemini, Cortex, and iKey, its three divisions.
[4] Cortex, an offshoot of the Gemini brand which was working exclusively on mass-storage based controllers with embedded systems, made its debut in 2006.
The Gemini DJ brand name is the most used brand of GCI Technologies.