19″/1U rack frame with a built‑in main power supply supporting 115 VAC or 230 VAC operation. It is designed to accommodate CSR50‑D, CST50‑D, and CST38‑D modules, up to three units. The enclosure provides a compact, standard 19″ rack footprint suitable for installation in professional audio facilities, such as studios or live venues. No additional accessories are listed on the manufacturer page. The frame is intended for fixed installations within typical rack environments, conforming to standard rack dimensions.