The Shure PS124 Power Supply With Non-Locking Power Connectors is a one input, 4 output power supply for up to 4 ULX receivers wireless systems and P9T transmitters.
Shure PS124 Specs
The length of the power-splitter cable is 40" (1 meter)
Each of the four DC power output connectors has an O.D. of 2.5mm and an I.D of 2.1mm
The single threaded DC power input connector that mates with the PS45 has an O.D. of 5.5mm and and I.D of 2.5mm