Which term refers to a live sound effects board that can play various sounds like doorbells and sirens?

The term that refers to a live sound effects board capable of playing various sounds, such as doorbells and sirens, is indeed Bell Board. This device is often used in live theatre productions to add atmospheric effects or to emphasize moments in a performance. The Bell Board allows sound operators to trigger specific sounds at precise moments, enhancing the overall auditory experience of the performance.

A Bell Board typically features a collection of sound effects, which may be triggered by pressing buttons corresponding to the desired sounds. This contributes significantly to the scene-setting and can evoke emotions, provide cues, or help to tell the story in a more engaging way.

In contrast, the other terms are associated with different aspects of theatre sound or technical practice. Breakaway generally refers to props designed to safely break when staged events call for it, allowing for dramatic effects without risking injury. Cans commonly refer to headphones used by sound operators to monitor audio levels or cues, while Boss Plate refers to a device that allows for a communication system among the crew.