How to wire a new headset to first generation controller

first generation controller, i have an Xbox one factory original headset with a short in the speaker how do i disassemble it properly

Update (09/15/2018)

i have 2 new headsets and both are 3.5mm jack, and how to wire them together? a legend or color guide would be helpful

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crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0