Build Instructions

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• 1

  Buy a 3.5mm Jack connector with a suitable size.

  The available room is about 8-9mm in height, so the one I picked was 8.5mm and I bent the pins to fit it without problems.
  

  This was the item:

  https://www.ebay.com/itm/382841364175
  

  You should look for SMD parts, otherwise size will be too big.

  Your mileage may vary depending on what you buy.

• 2

  ​Disassemble device

  See my other project for this:
  

  FC3000 disassemble instructions

• 3

  Desolder the speaker from the PCB

  Desolder the speaker from the PCB:

  If you have a multi-meter, check the resistance, should be 8 ohms if your speaker is like mine.
  

  The wires and the connection point are very fragile, don't abuse them or they will probably break.

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