Probably the biggest issue people have with second hand (or old) Xbox 360 Lips Microphones is that they stop working for what appears like no reason.
The actual reason is that someone probably left a pair of batteries in them for years and they leaked and corroded the battery connections inside.
In this short video I will show you how to open, clean the corrosion off and rebuild the microphones.
NO SEALS NEED TO BE BROKEN FOR THIS REPAIR
Tools needed for this repair:
Suede wire brush