What feature might digital mixers have on both the front and rear panels?

The correct choice highlights an essential functionality found in many digital mixers. Settings to select appropriate analog inputs are crucial because digital mixers are often used in both live sound and recording environments, where they need to interface with various types of audio sources, including microphones and instruments. These settings enable users to easily configure input channels, adjust levels, and route signals effectively, ensuring that both the front and rear panels are equipped with intuitive controls for managing the audio workflow.

While built-in speakers for sound amplification might seem convenient, digital mixers typically do not include this feature as they are designed to process audio rather than amplify it directly. Similarly, multiple display screens can enhance usability and provide visual processing information, but having screens on both panels is not common practice due to space and design constraints. Automatic mixing capabilities are valuable for streamlining audio mixing processes, yet they do not directly relate to the physical layout and features that would be present on both the front and rear panels of the mixer.