The rear surround speakers are wireless. There are no wires from the soundbar to the rear speakers. All you need is the power bricks/wireless receivers that come with the speakers and a 110 volt outlet to plug them into. Are you implying there is no110 volt outlet near where you plan to put the rear surround speakers? If that is what you are trying to say, then you could probably put the power bricks somewhere else and use existing in-wall wiring from the power bricks to the new surround speakers. You would need to splice the old wires to the new wires to make that work.
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