Studio Technologies Studiocomm 10317 Replacement Power Supply for Model 200-Series Announcer's Consoles. 100-240 Vac input/24 Vdc, 0.75 A output power supply with locking 2.1 by 5.5 mm coaxial power jack Works with models 210, 211, 212, 220, 230 & 233 as well as 45A,