How to Wire Three Subwoofers
When you have three subwoofers that you want to connect to an amplifier, such as one for a car stereo system, you will need to determine the type of configuration to use. Three subwoofers can be wired or connected to an amplifier that has only one channel, or they can be connected to a four-channel amplifier. You will first need to determine what type of amplifier to use to wire the subwoofers.
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Instructions
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One-channel Amp
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Connect speaker wire to the positive and negative terminals on the amplifier. Connect the other end of the speaker wire to the positive and negative terminals on the first subwoofer.
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2
Connect the second speaker wire to the positive and negative terminals on the first subwoofer. Run the speaker wire to the second subwoofer. Connect the wire to the positive and negative terminals.
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3
Connect the third speaker wire to the positive and negative terminals on the second subwoofer. Run the speaker wire to the third subwoofer. Connect the wire to the positive and negative terminals.
Four-channel Amp
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4
Connect speaker wire to the positive and negative terminals on the first channel on the amplifier. Connect the other end of the speaker wire to the positive and negative terminals on the subwoofer.
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5
Connect the second speaker wire to the positive and negative terminals on the second channel of the amplifier. Connect the other end of the wire to the positive and negative terminals on the subwoofer.
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6
Connect the third speaker wire to the positive and negative terminals on the third or fourth channel of the amplifier. Connect the other end of the wire to the positive and negative terminals on the subwoofer.
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Tips & Warnings
The positive and negative wires should run to each positive and negative terminal from the amplifier to each subwoofer.
If any of the speaker wire is connected to the wrong terminal, you will not get any sound from the subwoofer.
