Which device is primarily designed to handle both video and audio signal switching?

A matrix switcher is specifically designed for the purpose of managing the routing and switching of both video and audio signals from multiple sources to multiple destinations. This functionality allows it to connect a variety of input devices, such as cameras, computers, and AV players, to different output displays and audio systems seamlessly.

One of the primary advantages of using a matrix switcher is its ability to dynamically route any input to any output, providing flexibility in installations, particularly in complex AV environments where the needs may change frequently. For example, events, classrooms, or conference rooms often require different combinations of audio and video feeds, which a matrix switcher can easily accommodate.

In contrast, a distribution amplifier is mainly focused on amplifying a single video signal and distributing it to multiple outputs without necessarily switching between sources. A line driver enhances signal strength but does not switch signals, and a video conferencing system integrates various components for communication but is not primarily designed for switching audio and video signals in the same manner as a matrix switcher. Thus, the unique capability of the matrix switcher to handle both video and audio makes it the best choice for this scenario.