Polk Audio LSi25 owner manual Inputs, For Manual Updates, Visit

To Use Banana Plugs (US Only): Unscrew the binding post lug nuts completely to expose the binding post plugs (plastic plugs inserted into the binding posts). Carefully pry out the binding post plugs to expose banana plug holes. Screw the lug nuts back on the binding posts and insert banana plugs. (This is for US owners only.)

HOOK UP OPTION 1 [figure 5] is recommended for most systems. Make sure the flat metal jumper strips are tightly secured to both sets of binding posts.

HOOK UP OPTION 2 [figure 6] is recommended for use with a receivers or preamp/processors with L & R preamp outputs. For this connection, remove the flat metal jumper strips. Connect the top set of binding posts to the speaker outputs of your amp or receiver, If your pre-amp, processor, amplifier or receiver has a spare set of front left and right pre-outputs, connect them to the subwoofer inputs on the back of the speakers. If your electronics has a single set

of pre-outputs and they are being used to deliver signal to an amplifier, use “Y” cables.

HOOK UP OPTION 3 [figure 7] is recommended for systems with receivers or preamp/pro- cessors with unfiltered subwoofer (LFE) outputs only. (To find out if your subwoofer output jack is unfiltered, please see your receiver/preamp/processor’s owner’s manual.) For this connection, remove the flat metal jumper strips. Connect the line level inputs on the back of the loudspeaker to the subwoofer output(s) of your pre-amp, processor, amplifier or receiver. If you only have one subwoofer output jack, run a cable to the subwoofer line level input of one speaker and another cable from the line level output of that speaker to the line level input of the other speaker.

If you are not sure about the nature of your subwoofer output jack, use either hookup option 1 or hookup option 2.

INPUTS

The “LINE LEVEL IN” jack [figure 8] is a low-level input designed to be connected to an unfiltered pre-amp or subwoofer output on your receiver or processor. Signals fed to this input will pass through the variable Low Pass Crossover (Frequency control) built into the LSi25’s subwoofer amplifier. This is the input to use when using Hook Up Option 2. The “LFE IN” jack bypasses the Low Pass Crossover. Use this input only if you are using Hook Up Option 3 with a sub-out jack that has a Low Pass Crossover. See your receiver or preamp/processor owner’s manual to find out whether or not your Subwoofer Output jack is filtered.

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