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Customer Project

Wood Smartphone Speaker

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  • Estimated Time

    3 Hours

  • Challenge Level

    Intermediate

  • Tools & Supplies:

    • Wood Glue
    • Clamps
    • 1 3/4" Forstner Drill Bit
    • 1 3/8", 1" and 3/4" Forstner Drill Bits (optional)
    • Sandpaper: grits 100, 150, 220
    • Painter's tape
    • Dimensional Block of Pine (approximately 12" x 4" x 2")
    • 1/8" Plywood or Hobby Wood
    • Paring Chisels
    • Hammer
    • Handsaw or Table Saw
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  1. Cut the block of pine to dimensions of 3 1/2" x 9" x 1 3/4".
  2. Cut 1/8" craft plywood piece to 3 1/2" x 9" to match block of pine.
  3. Locate the centers of the two speaker holes on the larger piece 1 3/4" from the bottom edge and each end.
  4. For users with multiple bit widths: Start by drilling through the front end with the 1 3/4" bit to a depth of 1/2" on both speaker holes, then repeat this step with the additional 1 3/8", 1" and 3/4" width bits each to a depth of 1/2" each, creating a gradual cone shape. Be sure to drill all the way through the block with the final bit.
  5. For users with one 1 3/4" bit, simply drill through both speaker holes on either side of the wood block.
  6. Locate the center of the top portion of the block and mark out a rectangle 3" wide and 1 1/2" deep.
  7. Chop out the waste with hammer and paring chisels so the slot accommodates your phone to a depth of approximately 1/2".
  8. Mark out slots leading from the bottom of where your phone will sit to the center of each speaker hole, and remove the waste to a depth of 1/2" as you did in step 7.
  9. Glue and clamp the plywood piece to the back edge of the speaker and allow to dry.
  10. Sand your project with progressive grits 100, 150 and 220 until all the edges are smooth and ready for finish.
  11. Apply two coats of stain onto the speaker — with the exception of the speaker holes — based on the directions indicated. Allow to dry for 24 hours.
  12. Using the painter’s tape, completely cover the entire project and then carefully remove the tape covering the speaker holes.
  13. Spray two to three coats of paint to the speaker holes. Allow to dry overnight before removing the tape.