UpBright New Global 18V AC/DC Adapter Bose Model PSM36W-180 PSM36W180 P/N 330733-0020 3307330020 18VDC 18.0V Switching 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 18V AC / DC Adapter For Bose Model PSM36W-180 PSM36W180 P/N 330733-0020 3307330020 18VDC 18.0V Switching Power Supply Cord Cable PS Charger Mains PSU