Features? 1U Hinged Rack Panel XLR HDMI Audio Rack Mount Panel Connectors Metal Punch Out Component Panel for Audio Enclosure or Server Computer Equipment Studio is designed to accept Audio D Series connectors for 19" Rack mount, such as XLR, HDMI. The 2 sides are higned design. You only need to unscrew one side when maintenance. Easy access and Maintenance. Specifications: Product Size: W 19" x H 1.73", with 2 D-Series Punch-outs, Take 1U space Material: All is made of metal with powder coating for durability and sturdy.