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If you are using equipment that has only one monaural subwoofer-output jack, you may make the connection
between this jack and the left or right low-level input of the powered subwoofer. If more volume is desired even after
increasing the subwoofer’s separate level control, use a “Y” audio connector to connect both the left and right low-
level subwoofer inputs to the single monaural subwoofer output jack.
Dual Subwoofers with Low-Level Connection:
When using two powered subwoofers, or will be connected to the right channel and the other to the left channel. This
requires using RCA audio cables to connect the left output of your preamp or decoder to the left low-level input on
the subwoofer that you are designating as the left-channel sub.
Repeat this process for either subwoofer, using the right-channel low-level outputs and right-channel low-level inputs
of the subwoofer.
Single Subwoofer with High-Level Connection:
You will be connecting your subwoofer directly to your amplifi er’s main speaker outputs with this method and then
conne3cting your speakers to the subwoofer’s outputs.
To do so, connect the left-channel main speaker output of your amplifi er to the high-level left-channel input terminals
of the subwoofer. Then connect the left main speaker to the left-channel output on the subwoofer. Repeat this
process for the right channel. We suggest using good-quality, heavy-gauge cables for the amplifi er-to-subwoofer-to-
speaker connections.
Dual Subwoofers with High-Level Connection:
Connect the left-channel speaker terminals of your amplifi er to the high-level, left-channel input terminals of the
subwoofer that you are using for the left channel. Repeat the process for the right-channel subwoofer, using the
right-channel outputs and inputs.
Now connect your main left and right speakers directly to your subwoofer speaker outputs. Your center and rear
speakers are connected to your amplifi er as normal.
Alternate Subwoofer High-Level Connection:
With some system confi gurations it may not be convenient to connect the main loudspeakers through the subwoofer
high-level outputs. Under these conditions, an alternate connection method may be used. To accomplish this,
connect the left-channel speaker level input of your subwoofer to the left-channel speaker output of your amplifi er.
Repeat the process for the right-channel connections of your subwoofer and the main right-channel speaker. This
means that you are connecting the subwoofer high-level inputs in parallel with the connections for your main
speakers. (See diagram alternate connection 2.)
POWERED SUBWOOFER FEATURES
Subwoofer Connections with High-Pass Filters: Phase Technology powered subwoofers are equipped with internal
high-pass crossovers providing a -6 dB per octave slope for the high-level outputs.
Some premium models also feature an active crossover with -24 dB per octave slope for its low-level output. (Refer
to the specifi cations for your model.)
When using these low-level outputs, it is necessary to have either separate preamp inputs and outputs or separate
component amplifi ers, preamplifi ers or decoders. The low-level inputs should be connected as noted in this manual.
The low-level outputs from the subwoofer must be connected back to a preamplifi er, a decoder, or main amplifi er
inputs with standard RCA-type connecting cables. Be certain to connect the respective left- and right-channel inputs
and outputs as noted.
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