There are two variants of this connector. In one, there are pins that come up from the motherboard and the connector can be pried directly up without damage.
The other variant of the connector that everyone commenting here has is soldered to the motherboard. To repair this type, first pull off the small square of foam padding on top of the connector. Then gently pull out the four black and red wires, leaving the soldered connector attached to the logic board. After you have installed the new speaker and subwoofer, you will remove the connector on the replacement component and carefully feed the red and black wires into the connector that is still attached to the motherboard (paying careful attention to their correct order). Then replace the square of black foam.
If you have removed the soldered on the connector, your two options are to solder it on yourself or to find a repair shop that can do that for you. There are instructables online for soldering tiny components that can help you.
If you don't use loctite on your screw threads or some other equivalent your hinges will come loose again! The hinge is probably exposed to more vibration and use than any other mechanical system on your computer. Three months after performing this repair to tighten my wobbly hinges, they are loose again! Buy some thread locking adhesive, save yourself the pain of a double repair job!
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