SCS 146 - JBL Audio User Guide / Operation Manual. Page 7

Use this installation method for
Dolby Pro Logic applications
(not Dolby Digital, DTS

®

or

other digital processing), where
the receiver/processor is
equipped with a subwoofer

output, or a volume-controlled
preamp (line-) level output:
Use RCA-type patch cords 
to connect the line-level
subwoofer output on your
receiver or to amplifier either

the left or right line-level input
on the subwoofer. IMPORTANT:
Do not use the LFE input on the
subwoofer with Dolby Pro Logic
processors. Note: If your
receiver or amplifier has two
subwoofer output jacks then
you can plug the RCA-type
patch cords into both left and
right line-level inputs on the
subwoofer.
Connect each speaker to the
corresponding speaker
terminals on your receiver or
amplifier.

output or subwoofer output 
on your receiver or amplifier.
Connect each speaker to the
corresponding speaker
terminals on your receiver or
amplifier.
Make sure that you have
configured your surround-sound
processor for “Subwoofer On.”
The surround receiver should be
configured for 6.1-channel
operation (if available) and the
front left, front right, center and

rear speakers should all be set
to “Small.”
If your receiver allows you to
set the crossover frequency
between the subwoofer and the
main speakers, select either
120Hz or 150Hz, or select the
setting that is the closest
frequency below these.

Use this installation method for
Dolby Digital, DTS

®

or other

digital surround processors: 
Use the line-level input jack
marked “LFE” for the Low-
Frequency Effects channel.
Connect this jack to the LFE