Middle Atlantic AX-SX Rack FrameThe Middle Atlantic AX SX Rack Frame is a rugged, professional grade solution designed to maximize space and reliability in any equipment room, studio, or control room. Offering a generous 28U of rack height, a standard 19" rack width, and a compact 20" depth, this external internal frame is built to support a wide range of AV, IT, and audio video gear with confidence. Crafted from durable steel and finished in a sleek black powder coat, the AX SX