Pole-mounted or in-car audio devices provided sound for viewers at outdoor cinemas. Typically made of metal or plastic, these devices housed a small speaker and volume control, allowing patrons to enjoy the film’s audio from the privacy of their vehicles. An example includes the classic boxy metal speaker hanging on a post next to the car window.
These audio delivery systems were essential for the drive-in movie experience, offering a personalized listening experience and mitigating noise pollution. Their development went hand-in-hand with the rise of outdoor theaters in the mid-20th century, becoming a cultural icon synonymous with this form of entertainment. This technology enabled a unique communal experience while maintaining individual audio control. The shift from in-car speakers, which sometimes drained car batteries, to the pole-mounted design enhanced convenience and reliability.