How to add more speakers to a stereo

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How to add more speakers to a stereo
Adding multiple speaker sets to a stereo system requires a special switch box. (home sinema system image by Pavel Losevsky from Fotolia.com)

Speakers are devices that translate the audio signals sent from another device (like a TV or CD player) into audible sound waves. Although most stereos are set up for two speakers, it is possible to add more speakers to a system as well as add speakers throughout the house. Because speakers and audio receivers are delicate electrical devices you will need to use the proper equipment that can handle the increased electrical presence of more speakers.

Skill level:
Easy

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Things you need

  • Speaker wire
  • Speaker switch box

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Instructions

  1. 1

    Place the added speakers in their desired location.

  2. 2

    Place the speaker switch box in an area near the audio receiver.

  3. 3

    Run speaker wire from the left and right channels of the audio receiver to the corresponding channels of the speaker switch box's main input. The wires will connect to the receiver's black and a red terminals. Most terminals on audio receivers and speaker switch boxes are spring loaded---that is you depress a lever below the input hole while putting the speaker wires in place, then release the lever to lock them in. Remember when connecting speaker wire to pay attention to the polarity on the wires (usually marked by "+" and "-"). The positive ends will always connect to the red terminal while the negative connects to the black.

  4. 4

    Run the speaker wires from the speaker switch box to the terminals on the speakers. Many speakers have binding posts as their terminals, which hold the wires in place by tightening the screws around the bare wire so it makes solid contact with the metal posts.

  5. 5

    Press the impedance button on the switch box (may be called "speaker protection.") It is VITAL that the impedance button is engaged, otherwise you may cause serious damage to the audio receiver.

  6. 6

    Play some audio through the system. Engage all the buttons in the speaker switch box to send audio to all connected speakers. Make note of which buttons are attached to which speakers

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