Input Switch – Down position (LFE IN) for use with an A/V receiver, processor or subwoofer control unit
that has a Sub-Out/LFE-Out jack, or up position (Left/Right In) when used in a stereo configuration with
the Left/Right preamp outputs of an A/V receiver, processor or integrated amplifier.
Auto On/Off – Your subwoofer will turn on when it receives an input signal — eliminating the need for a
power switch. If no signal is sensed for a period of time, the subwoofer will automatically switch off. See
“Powering Up the Subwoofer” section below for more details.
Connection Options
Before connecting your subwoofer, please read this section to determine which setup option best suits your
needs. (See your dealer if you require additional information or assistance.)
Left/LFE Input From Sub/LFE Output – For use with an A/V receiver, processor or subwoofer control unit that
has a Sub-Out/LFE-Out jack. Using an RCA-to-RCA analog interconnect cable, connect the subwoofer to
the Left/LFE Input and position the Input Switch in the LFE IN (Down) position, as shown below. Most A/V
receivers, preamps and processors feature a mono (line-level) Sub/LFE output intended to be used with
subwoofers. You can feed this Sub/LFE output of your A/V receiver or processor to the LFE input on the
subwoofer and achieve full performance. These outputs have their own low-pass filter built into the circuit
as part of their bass management setup. The LFE input on your ForceField subwoofer are direct coupled
inputs which are not affected by the subwoofer’s Lowpass Crossover control (low-pass filter). If the sub
output on your receiver is full range, does not have a low-pass crossover, or you wish to use the ForceField’s
low-pass crossover then you must connect using the Left/Right Inputs, as described in the section on page 10.
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