EQEQ Trimmer: Front panel accessible Equalization trimmer when cable is to exceed 100' (400' max.).
J220 VAC/50 Hz Operation: The unit is configured to operate from 220 VAC line voltage. 117 VAC 50/60 Hz is standard.
UL"UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply.