Cerwin-Vega is a manufacturing company that produces professional audio components, home audiospeakers, and car audio components. Cerwin-Vega participated in Sensurround technology which was developed in conjunction with Universal Studios in the 1970s. Sensurround was a movie theater special effects speaker system which used multiple Cerwin-Vega folded horn subwoofers triggered by an optical soundtrack system to create low frequency effects which simulated vibrations felt during an earthquake or a battle scene. Sensurround was premiered in the 1974 movie Earthquake, and was a great success, but most Sensurround units were later dismantled due to structural damage caused by the vibrations.
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