ROADINGER Amplifier Rack PR-2ST is a 4U rack case for 483 mm (19") equipment, including power amplifiers and other rack devices. It features front and rear rack rails, a 7 mm black laminated plywood construction, 30 mm aluminium profiles, two removable covers, four butterfly locks, four folding handles and two wooden sliding rails. The case has a 50 kg maximum load and measures 54.5 × 80 × 22 cm.