yes, some will. it has to be able to have a mic and speakers, and it has to have a smaller single plug.
No, xbox 360 headset can only work with the 360.
no
Yes you just need to plug them into your controller and you need xbox live :D
Headsets for the Xbox 360 range from $10 to $60. The cheaper versions tend to be wired and are not manufactured by Microsoft. The more expensive headsets are wireless.
Yes.
Yes
Can have 2 mic to work on the same xbox 360
The Xbox 360 headsets are quite cheap, just buy one.
Some brands of microphone headsets for the Xbox include Sennheiser Over the Head headphones, and Turtle Beach Ear Force X41. Other headsets that work with the Xbox includes Mic earphones, and KMD 360 Pro Gamer.
Nope.
no but you can use a bluetooth headsets on ps3 and xbox 360
There are many companies who make headsets for xbox 360. Here are only a few headset companies I know of: Turtle Beach - The best headsets available Venom Tritton