UpBright NEW AC / DC Adapter For Polk Audio SurroundBar 4000 IHT 4000IHT IHT4000 AM1400-A AM1400-B polkaudio Home Entertainment Theater System Instant Home Theater Surround Bar Soundbar Sound bar 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.