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Low hum
from subwoofer.
Loud hum
from subwoofer.
Not enough bass
from subwoofer.
Distorted
picture on
PC monitor or
TV screen.
The AC in your house is at 60 cycles per second, which
is within the audio frequency of your subwoofer.
Bad connection.
Volume on your audio source set too high.
Check the volume on audio source.
Bad connection.
Bass setting is too low.
Subwoofer too close to PC monitor or TV set.
Some low hum may be detected when your speaker system is powered on
without an audio source playing, or when the volume is set at an extremely
low level.
Unplug the power cord from the surge protector (if used), and plug directly
into an AC wall outlet.
Check to make sure all cables are connected properly and are making
a clear connection.
Lower the volume or bass level on your PC, portable audio device, etc.
Increase the volume on the audio source.
Check to make sure all cables are connected properly and are making
a clear connection.
Increase bass level on back of subwoofer.
Because the subwoofer is not magnetically shielded, it can cause distortion if
it’s too close to your PC monitor or TV set. Move the subwoofer so it’s at least
2 feet from the monitor or TV set.
Symptom Possible Problem Solution