How to connect speaker wire to an amplifier receiver

Written by james clark
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How to connect speaker wire to an amplifier receiver
Rock the house with speakers connected to an amplifier receiver. (speakers image by Sergey Galushko from

Speakers draw power from an amplifier receiver to produce audible sound in a stereo or home theatre system. When sufficient power is applied to a speaker through a speaker wire connection, the result is room rattling noise. Connecting speaker wire to an amplifier receiver takes only a few minutes using wire strippers to clip and prepare the wires for attaching to the amplifier receiver and the speakers.

Skill level:

Things you need

  • Speaker wire
  • Wire strippers

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  1. 1

    Cut a length of speaker wire long enough to connect between each speaker and the amplifier receiver.

  2. 2

    Strip 1/2 inch of insulation from both ends of each piece of wire.

  3. 3

    Attach the two wires on each end to the positive and negative terminals on the back of each speaker by lifting the plastic, spring-loaded clips on the speaker to reveal two holes. The red speaker wire inserts in the hole beneath the red clip, which is the positive connection. The other wire connects to the negative terminal.

  4. 4

    Connect the other end of each speaker wire to the terminal labelled for that speaker on the back of the amplifier receiver. For example, the left channel speaker connects to the left set of terminals. In a surround sound set-up, the terminals will be labelled front left and right, centre and rear surround. Some systems may also have two extra terminals for side speakers.

Tips and warnings

  • Connect the speaker wires before plugging in the electronics into the power.

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