Modded controllers/Rapid Fire.

They can be bought like that and it does not involve opening the controller at all so its not system tampering.

I think RF controllers are unsporting but there is not much to be done about it. Some titles have in-game reporting tools for cheating so maybe use that if its an option.

SORRY JUST BECAUSE SOME INTERNET COMPANY CLAIMS TO HAVE AN OFFICAIL XBOX RAPID FIRE CONTROLLER DOESNT MAKE IT TRUE. THERE IS NO CONTROLLER WITH THIS FUNCTION AVAILABE ON THE OFFICIAL XBOX WEBSITE, CHECK THE XBOX WEBSITE NO RAPID FIRE, AND ANYTHING THAT CANT BE BOUGHT ON THEIR WEBSITE IS CONSIDERED UN-OFFICIAL. JUST BECAUSE SOME WEBSITE SAYS THEIR CONTROLLER ARE LEGIT IT'S NOT ACURATE, ONCE THEY OPEN THEM CONTROLLERS AND INSERT THAT CHIP TO ALLOW THE RAPID FIRE FUNCTIONALITY; THAT PIECE OF EQUIPMENT IS HACKED AND CONSIDERED A MOD, AND NOT ALLOWED ONLINE.

AND REMEMBER THE CONTROLLER CAN LOOK JUST LIKE THE ONES XBOX SELLS HOWEVER ONCE THAT CONTROLLER IS OPENED AND THAT CHIP IS INSERTED BY THAT COMPANY CLAIMING IT'S A OFFICIAL CONTROLLER THAT CONTROLLER IS HACKED. AND WHAT THEY FORGET TO TELL YOU WAS IT WAS AN OFFICIAL CONTROLLER TILL THEY HACKED IT, THAN IT BECAME A MOD, AND ACCORDING TO THE CODE OF CONDUCT ANY ATTEMPT TO ALTER EQUIPMENT, REVERSE ENGINEER, OR MODIFY XBOX PARTS CAN RESULT IN THE SUSPENSION OF YOUR ACCOUNT. CLAN NAME AND OR GAMER ACCOUNT

Gamestop sells modded controllers.....so i don't think anyone will get banned for having one.

12.  Service Operation and Equipment.

The Service may only be accessed with an Authorized Device or by logging into your account via Xbox.com. You agree that you are using only authorized software and hardware to access the Service, that your software and hardware have not been modified in any unauthorized way (e.g., through unauthorized repairs, unauthorized upgrades, or unauthorized downloads), and that we have the right to send data, applications or other content to any software or hardware that you are using to access the Service for the express purpose of detecting an unauthorized modification.  Any attempt to disassemble, decompile, create derivative works of, reverse engineer, modify, further sublicense, distribute, or use for other purposes the Service, any game, application, or other content available or accessible through the Service, or any hardware or software associated with the Service or with an original Xbox or Xbox 360 console is strictly prohibited and may result in cancellation of your account and/or your ability to access the Service, and the pursuit of other legal remedies by Microsoft.  Microsoft may take any legal action it deems appropriate against users who violate Microsoft's systems or network security, this contract or any additional terms incorporated or referenced in this contract, and such users may also incur criminal or civil liability.

in the terms of service we all agreed to be able to have an xbox GT

If you listen to this podcast from Major Nelson's site where he speaks to Stepto, head of the enforcement team, you can find out the official policy on rapidfire controllers. majornelson.com/.../show-306-felicia-day-re5-and-enforcement-on-xbox-live

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In short. They wont take any action against them because Microsoft officially 'license' similar products. So it is up to the game developers to put in measures against rapidfire controllers if they wish.

that's weird, because when i asked an xblpet before, like 6 months ago, they told me you would get banned. (about a rapid fire controller selling on amazon, not microsoft company)

unless they changed their mind? anyway, just asked a pet OP, if your planning to buy it.