Low-power FM transmitters provide the audio for films shown at drive-in movie theaters. Patrons tune their car radios to a designated frequency, allowing them to hear the movie’s soundtrack from the privacy and comfort of their vehicles. This system replaced the earlier, less effective method of using individual speakers attached to each car.
This technology is essential to the drive-in experience, offering a convenient and immersive way to enjoy films. It maintains the unique atmosphere of these venues, blending nostalgia with modern convenience. Historically, this approach to sound delivery evolved alongside the growth of drive-in theaters, becoming integral to their survival and continued popularity in the face of competition from traditional indoor cinemas. The shift to broadcast audio significantly enhanced sound quality and simplified the process, contributing to the enduring appeal of this classic entertainment format.