It should according to the Chandler website
http://chandlerlimited.com/tg2-pre-amp-di/
''All TG units require and function on the PSU-1, Chandler Limited power supply. The PSU-1 has an internal switch for setting voltage to 120V or 220V (115V/230V). For more information please call us at (319) 885-4200.''
If it can help...
Very nice item btw! Just sad I do not have enough found...