Solder the positive and negative terminals of the Speaker with its respective wires.

Both positive and negative poles should be indicated on the speaker. If not, check out the link to find the polarity of your speaker.

Solder the new Antenna on.

If you need any help with soldering or how to check on the speakers, check out the two links provided below:

How To Solder and Desolder Connections

How to Test Speakers and Wires