6
5
No sound from
subwoofer.
Low hum from
subwoofer.
Loud hum from
subwoofer.
Not enough bass
from subwoofer.
Too much bass
from subwoofer.
Distorted
monitor/TV.
Subwoofer volume set too low.
Sound source has little low-frequency content.
The AC in your house is at 60 cycles per
second, which is within the audio frequency
of the subwoofer.
Bad connection.
Volume on your audio source device set too high.
Bass setting is too low.
Bad connection.
Bass setting is too high.
Subwoofer too close to monitor/TV.
Adjust the bass level on the wired digital controller or subwoofer.
Try a game, movie or song — anything with more prominent bass levels.
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.
If you are using a surge protector with your XA3051 speaker system,
disconnect and plug the power adapter directly into an AC wall outlet.
Move your cables. Check to ensure they are making a clear connection.
Disconnect your stereo cable from the audio source. If the loud hum goes
away, lower the volume on the audio source.
Adjust the bass level on the wired digital controller or subwoofer.
Verify that all cables are connected properly and are making a
clear connection.
Decrease the bass level on the wired digital controller or subwoofer.
Because the subwoofer IS NOT magnetically shielded, it may cause
distortion if it is placed too close to your monitor/TV. Move the subwoofer
so it’s at least 2 feet from your monitor/TV.
Can’t insert
the wired
controller’s DIN
connector into
the subwoofer.
No LEDs are lit.
Controller
doesn’t work.
No sound from
one or more
speakers.
Crackling sound
from speakers.
Sound is
distorted.
Radio
interference.
Some of the pins are bent.
Power isn’t turned on.
Power adapter isn’t connected to the wall outlet
and subwoofer.
Surge protector (if used) isn’t powered on.
Wired controller isn’t connected to the subwoofer.
Wall outlet not functioning.
DIN connector not inserted in subwoofer jack.
Power isn’t turned on.
Volume is set too low.
Audio cable isn’t connected to audio source.
Audio cable is connected to wrong output on
audio source.
Problem with audio source device.
Bad connection.
Problem with your audio source device.
Volume level set too high.
Sound source is distorted.
Too close to a radio tower.
Try to gently straighten the pins with tweezers or very small pliers. If this
does not work, contact the Altec Lansing Consumer Support Department
for further instructions.
Press the Power button on the wired controller.
Disconnect and then reconnect the power adapter to both the wall outlet
and the subwoofer.
If the power adapter is plugged into a surge protector, make sure the
surge protector is switched on.
Connect the wired controller to the subwoofer.
Plug another device into the same jack on the wall outlet to ensure the
outlet is working.
Verify that the grey-colored DIN connector is firmly inserted into the DIN
connector jack on the subwoofer.
Ensure the pins are aligned between the plug and jack.
Remember, the arrow should be facing up.
Verify that the subwoofer’s AC power cord is plugged into both the wall
outlet and subwoofer.
Verify that the Power button has been pressed and that an EQ LED
is illuminated.
Turn the rotary knob to the right to raise the system master volume.
Check volume level on the video gaming system or alternate audio source
device, and set at mid-level.
Connect audio cable from the audio source. Check plug connections on
both the subwoofer and audio source. Make sure these signal cables are
inserted firmly into the correct jacks.
Make sure that a cable connects the output jacks on the audio source to
the input jacks on the XA3051’s subwoofer.
Test the speakers with another audio source.
Check all cables. Make sure they are connected to the “line-out” or
“audio-out” jacks on your audio source device.
Test the speakers using another audio source (e.g., VCR, DVD, portable CD
player, cassette player or FM radio).
Decrease the volume level on your XA3051’s wired controller or the
volume level on your audio source (if possible).
Try a different sound source like a music CD.
Move your speakers to see if the interference goes away. If not, you
may be able to purchase a shielded stereo cable from your local
electronics shop.
Symptom
Possible Problem
Solution
TROUBLESHOOTING TIPS
Symptom
Possible Problem
Solution
