Phase on the Subwoofer setting
- Look on the back or bottom of your Subwoofer to a switch that is labeled "0° / 180°" or similar. This should be in the basic settings to 0°.
- Move the Slider to 180° to correct the phase shift.
You have placed your Subwoofer is unfavorable, you need to set the Phase manually. To minimize the unwanted phase shift, which occurs if the Subwoofer is far away from the rest of the System.