How to Make Homemade Speaker Spacers for Car Audio


Speaker spacers are known by several names, including "speaker brackets" or "speaker adapters." While aftermarket car speakers come in a range of standardized sizes, the speakers mounted into cars at the factory sometimes are built to different specifications. If you're trying to mount a smaller aftermarket speaker into an opening designed for a larger-sized speaker, you'll need a speaker spacer to ensure that the new speaker can fit in your vehicle. You can make speaker spacers with basic materials and tools.

Things You'll Need

  • Paper
  • Tape
  • Pencil
  • ABS plastic or sheet metal
  • Jig saw
  • Remove the existing speaker from your vehicle. The exact tools required and method will depend upon your vehicle.

  • Tape a piece of paper over the speaker opening in your car. Mark on the paper with a pencil the location of the screw or bolt holes outside the perimeter of the speaker opening, and trace the location of the opening for the speaker as well.

  • Remove the paper from the car and place it on top of a sheet of ABS plastic or thin sheet metal. ABS plastic is easier to cut than sheet metal, but will be a bit thicker.

  • Cut the perimeter of the plastic or metal to size with a jig saw so that it is slightly larger than the area necessary to accommodate the screw hole and speaker cutout locations.

  • Using the template supplied with your new speaker, trace the cutout opening for your new speaker onto the plastic or metal. Be sure the cutout opening is contained within the area of the original opening. Cut the opening into the plastic or metal with a jig saw.

  • Screw your spacer into the speaker opening in your car. Place the new speaker into the spacer's cutout and screw it into place.

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  • "Car Stereo Cookbook;" Mark Rumerich; 2005
  • Photo Credit speaker image by CraterValley Photo from
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