Which of the following are mountable metal plates that provide AV connectors for audio, video, phone, data, power, and control?

The correct choice refers to AAPs (Architectural Adapter Plates) and MAAPs (Modular Architectural Adapter Plates), which are specifically designed for wall or rack mounting while providing access to a variety of AV connectors. These plates offer flexibility in integrating multiple types of connectors, including audio, video, phone, data, power, and control connections.

This functionality is crucial in AV environments, where a clean and organized setup is necessary for efficient operation and user accessibility. AAPs and MAAPs allow for a customized interface, accommodating different types of equipment, thereby streamlining connections and enhancing the overall user experience in AV setups.

The other options include terms that either represent different components unrelated to the specific task of providing AV connectors or focus on different aspects of AV signal management that do not involve physical mounting for connector access.