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AC Power Connection
Connect the subwoofer power cord to the subwoofer amplifier and directly into an AC outlet.
Convenience outlets located on the rear panel of some AV receivers or pre/pros are NOT recom-
mended for your SB-4000 as these outlets are not meant for high power devices.
Line Level Connection – Single LFE Channel
The most common way to connect your SB-4000 is with a single RCA or XLR interconnect cable
going from the LFE or SUB1 Output on your AV receiver or preamplifier to the LFE Input on your
SB-4000. This allows your processor to perform the upstream bass management and send the
subwoofer a pre-filtered mono signal.
CENTER
REAR FRONT
SUBWOOFER
(SUB1)
LINE LEVEL OUTPUTS
RECEIVER/PREAMP
SB-4000
SUBWOOFER
CONNECTING & CONTROLLING YOUR SUBWOOFER
Line Level Connection – Stereo Receiver or Preamplifier Left/Right Channels
Both Left and Right inputs on your SB-4000 can be used in a two-channel stereo application with
a stereo preamplifier that has Left and Right line level or Balanced (XLR) outputs.
Connect the left and right outputs of your preamplifier to the left and right line level inputs of the
SB-4000 using RCA or XLR interconnects.
owner’s manual | page 7
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