The issue could be related to the power source, grounding, or interference from nearby dimmer switches. Refer to the manual for specific troubleshooting steps.
How can I address excessive vibrations from the QW-118P?
The speaker is capable of producing extremely high levels of low frequencies, which may cause vibrations. Secure any loose objects in the room and make sure the subwoofer settings are adjusted correctly.
What should I do if the sound from my QW-118P is distorted or muddy?
Check the signal source for saturation, adjust the subwoofer and Kosmos settings, and ensure that all connections are properly inserted.
