Technology companies established in 1930

American multinational semiconductor design and manufacturing company

1939–1994 aerospace manufacturer in the United States

former Swedish aerospace manufacturer

Electro-Voice (EV) is an American manufacturer of audio equipment, including microphones, amplifiers, and loudspeakers, focused on pro audio applications such as sound reinforcement and commercial and residential audiovisual installations. As a subdivision of Bosch Communications Systems Inc. since 2006, Electro-Voice markets products for use by consumers as well as small or large concert venues, broadcasting, houses of worship, and in retail situations.