• VOLTAGE SELECTORlFor China, Korea, Asia and General models)The voltage selector switch on the rear panel of this unit must be set tbr your local main voltage BEFORE pluggingthis unit into the AC main supply. Voltages are 110-120/220-240 V AC, 50/60 Hz.Table of contentsPrecautions:Read this beforeoperating this unit ............................ iiiIntroduction ...................................................... 2Features.........................................................................Suppliedaccessories.............................................................. 2Positioning the subweefer ............................................ 2Connections ...................................................... 3Basicconnectionexample.......................................................... 3Connectingcomponentsandthe subwooferto ACpower.................................. 3Using the subweefer ................................................ 4Pre-adjustingthe subwoofervolume.................................................. 4Advanced YamahaActive Serve Technology II .............................. 5Troubleshooting ................................................... fiSpecifications .................................................... 7Frequencyresponse............................................................... 7