The ES 246/XLR/J is an ES-246 Audio Distribution Amplifier with XLR Connectors and the 220 VAC/50 Hz Operation option. This unit that accepts a balanced or unbalanced audio signal and produces exact copies of that signal. The outputs are isolated and have recessed gain controls. All inputs and outputs are accessible on terminal blocks for simple "permanent" installations. Or, if option "XLR" is specified, all inputs and outputs are available on XLR connectors for easy disconnect/reconnect. This unit is configured to operate from 220 VAC line voltage. The terminal blocks of this unit are replaced with XLR connectors (the enclosure is doubled in height).