PowerStrip PS9 is a discontinued 1U rack-mounted power distribution unit for studio, live sound reinforcement, and installation use. The PS9 (US) provides eight switched AC outlets on the rear panel and a single unswitched outlet on the front panel. It includes AC noise filtering, surge/spike protection, and a 15 A circuit breaker to safeguard connected gear, such as audio interfaces, mixers, outboard gear, and related rack equipment. Inlet type, nominal voltage, and housing material are not specified in the available documentation.