Professional Audio Interface with XLR Inputs - Diagram & Features #1839581 (License: Personal Use)

This black-and-white line drawing depicts a standard 1U rack-mounted audio interface, commonly used in professional studios. It features six balanced XLR input jacks on the left, each paired with a rotary gain control, and a vertical channel strip with segmented LED metering on the right. The top includes a master power switch or status indicator, emphasizing functional clarity for technical documentation or product manuals.

Used in product spec sheets, studio equipment guides, or educational content about audio hardware; matches user intent for understanding interface layout, connectivity, or installation planning.