UpBright New AC/DC Adapter Replacement for LG Electronics NB5540 NB5541 MEZ65344706 NB3740 NB3740A SH4 SH 4 4.1 Channel Sound Bar Power Supply Cord Cable PS Charger Mains PSU World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright NEW Global AC / DC Adapter Replacement For LG Electronics NB5540 NB5541 MEZ65344706 4.1 Channel Sound Bar with Wireless Subwoofer and Bluetooth, NB3740 NB3740A 4.1 Channel Sound Bar Speaker, SH4 SH 4 2.1ch 300W 2.1 Channel 300 W 4.1-Channel Audio Sound Bar Soundbar System Power Supply Cord Cable PS Charger Mains PSU