JBL AS SUB Car Speaker User Manual


 
If there is no sound from
either of the speakers, check
the following:
• Receiver/amplifier is on and a
source is playing.
• Check all wires and connec-
tions between receiver/amplifier
and speakers. Make sure all wires
are connected. Make sure none
of the speaker wires are frayed,
cut, or punctured.
• Review proper operation of
your receiver/amplifier.
If there is no sound coming
from one speaker, check the
following:
• Check the “Balance” control on
your receiver/amplifier.
• Check all wires and connec-
tions between receiver/amplifier
and speakers. Make sure all wires
are connected. Make sure none
of the speaker wires are frayed,
cut, or punctured.
If there is low bass output,
check the following:
• Make sure the connections to
the left and right “Speaker
Inputs” have the correct polarity
(+ and –).
If the system plays at low vol-
umes but shuts off as volume is
increased, check the following:
• Check all wires and connec-
tions between receiver/amplifier
and speakers. Make sure all wires
are connected. Make sure none
of the speaker wires are frayed,
cut, or punctured.
• If more than one pair of main
speakers is being used, check the
minimum impedance require-
ments of your receiver/amplifier.
Troubleshooting
AS Series Owner’s Manual 9/11/98 12:51 PM Page 10