Why is my subwoofer not working with my receiver?
Solution: Check to see where the subwoofer is plugged into on the back of the receiver. It needs to be plugged into a dedicated subwoofer, or “sub out”, channel. It’s possible it may be plugged into an RCA port that is not sending any audio or low frequency content.
How do I turn up the bass on my Pioneer radio?
Why is my subwoofer on but no sound?
Ensure the subwoofer has not been muted. Increase the volume level on the subwoofer. Ensure the speaker settings on the stereo system or TV have been configured properly to use the subwoofer. IMPORTANT: Certain speaker settings may disable the subwoofer.