AKG PSU01-4000 Central Power Supply for Powering Central power supply for powering up to 12 SR 4000 or SR 450 receivers plus antennas via three PS 4000 W antenna splitters, or three CU 4000 chargers. Also powers the HPA 4000 headphone amplifier and HUB 4000 Q network concentrator. The central power supply shall provide an on/off switch, status LEDs, three separate, locking DC output jacks for powering up to three PS 4000 W antenna splitters, 12 SR 4000 or SR 450 receivers, and an antenna system. Each DC output shall also be capable of powering a CU 4000 charger, HPA 4000 headphone amplifier, or HUB 4000 Q Ethernet hub. The central power supply shall operate off 90 VAC to 264 VAC, 47 Hz to 63 Hz, and provide the following outputs: DC OUT 1: 12 V/2.5 A, DC OUT 2-3: 12 V/2 A. The size of the central power supply shall be 200 x 190 x 44 mm, its weight 1.3 kilograms, and it shall be fitted with a 2 A slow-blow fuse. The central power supply shall be the PSU 4000 from AKG.