18Hz is a film and TV production company founded in 2023 by veteran producer and Hollywood creative executive Walter Hamada. The company is based at Paramount Studios and specializes in visceral horror, psychological thrillers, and suspense.

18Hz is a measurement of sound that is just below the threshold of human hearing but triggers a primal physiological response: chills, hyperventilation, a sense of dread, and even visual hallucinations. 18Hz is often referred to as the Ghost Frequency.