How to Wire Outdoor Speakers With 4 Wires


Outdoor speakers bring the party to the patio. Weather-resistant loudspeakers can be mounted underneath the eaves over a back deck or installed directly on the corners of the deck platform. Swivel mounts allow the speakers to be turned in almost any direction.
With four wires, a pair of stereo outdoor speakers can be installed for enjoying music. The simplest way to connect the speakers is to run the wires into the house through a window and routed along the wall at the baseboard where they can be hooked up to a stereo receiver.

Things You'll Need

  • Two outdoor speakers
  • Tape measure
  • Speaker wire of sufficient length to extend indoors to the stereo equipment
  • Wire strippers
  • Stereo receiver
  • Electric drill and bits
  • Staple gun and staples
  • Measure the distance between the outside speaker location and the stereo receiver indoors where the speaker wires will be connected. Be sure to measure angles and along walls, since the wires probably cannot be installed in a straight line from the speakers to the receiver inside.

  • Strip about a 1/2" of insulation from each pair of speaker wires.

  • Connect two wires to the back of each speaker (four wires total) by hooking up the red wire to the right terminal and the black wire to the negative terminal. Make the connection by lifting a spring clip on the back of the speaker to expose a hole for inserting the wire.

  • Route the speaker wires underneath a deck either through gaps in the wood or by drilling a hole in one of the decking planks behind each speaker. Run the wires beneath the deck and back to the house through the closest convenient window.

  • Open the window to run the speaker wires through one of the lower corners, along the windowsill and down to the baseboard.

  • Attach the wires to the baseboard either by slipping them beneath carpet or tacking to the baseboard with a staple gun.

  • Connect the speaker wires to a pair of left and right speaker connections on the back of the stereo receiver. Be sure to hook up the wire from the left outdoor speaker to the left channel on the receiver, or the stereo sound will be reversed.
    Virtually all receivers have connections for at least two pairs of stereo speakers. Use the Speaker 2 connections for the outdoor speakers since the Speaker 1 connections are either already connected to the indoor speakers or would need to be available for connecting indoor speakers.

Tips & Warnings

  • Drilling through walls to run speaker wires will require special masonry bits, experience in drilling through brick and concrete, and some knowledge of electrical wiring to avoid running a power drill into a live wire. There is always the risk of cracking or splitting masonry when attempting to drill through an exterior wall.
  • Routing speaker wires through an open window is the simplest, least invasive method for installing outdoor speakers, especially if rental property is involved.

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