Shure 9-volt Battery Eliminator for Selected Shure Bodypacks (P2R, P4R, P4HW, T1, T1G, LX1, UT1, ULX1, MX1BP and VP3) - PS9US
Battery eliminator replaces a standard 9V battery, allowing connection to a PS43 Adaptor (included) via a threaded DC connector.