How to Connect Subwoofers to a Home Stereo

Written by james clark
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How to Connect Subwoofers to a Home Stereo
Connect a cable to the "SUB OUT" jack on the back of the stereo. (subwoofer image by MATTHIEU FABISIAK from

Hooking up subwoofers to a home stereo will pump up the bass dramatically, whether you're watching movies or listening to music. Powered subwoofers should be used so there is no strain on the stereo's amplifier. An audio Y-adaptor will also be needed, since many stereos are equipped with a single output jack for connecting the 1/4-inch subwoofer cable. Splitting the signal with a Y-adaptor makes it possible to connect a pair of subwoofers in seconds for a significant increase in low-frequency bass that can rock a room.

Skill level:

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Things you need

  • Three subwoofer cables
  • Y-adaptor with three 1/4-inch phono jacks
  • Two subwoofers
  • Surge protector

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  1. 1

    Insert the plug on one end of a subwoofer cable into the "SUB OUT" jack on the back of the stereo receiver.

  2. 2

    Plug the other end of the cable into the jack on the shortest of the three cables on the Y-adaptor. This is the input jack; the other two jacks split the signal.

  3. 3

    Connect the plugs on one end of the remaining two subwoofer cables to the jacks on the Y-adaptor.

  4. 4

    Plug the other end of each cable into the input jack on the back of each subwoofer.

  5. 5

    Connect the electrical cord for each subwoofer to the surge protector, then plug the surge protector into a wall outlet.

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