The Atlas Sound TSD-RMK is designed to rack mount up to 4 TSD Series modules is a industry standard 19" 1RU rack space.This rack kit mounts the TSDs from behind the plate so all LEDs and front controls are easily accessible, simplifiers adjustments and status checks.The TSD-RMK Rack Mount Kit along with features such as removable individual I/O connectors, separate ground terminals, and an included cable management system allows for quick, precise wiring and cleaner installations.