Founded in 1945, Dynacord's first milestone was the engineering of the first tube amplifier in 1947. They are known for world-class amplification and processing with feature-rich functionality. In 1990, Dynacord was sold to the American company Telex Communications . Since 2006, Dynacord belongs to the BOSCH security system group. Amplifiers, mixers and speakers are still sold under the Dynacord brand. Today, Dynacord is a full-line supplier serving the entire audio chain from the mixer to the loudspeaker.