From dailytech.com:

As the Consumer Electronics Show (CES) gets under way in Las Vegas, peripheral maker Razer announced it has made several gaming accessories for the Microsoft Xbox 360 game console. The Razer Onza "professional gaming controller" for the Xbox 360 is a controller that includes adjustable tension on analog sticks, two multi-function buttons, and unique customization for gamers.

The controller is available with a $49.99 MSRP.

Razer also announced the Chimaera gaming headset which provides 5.1 Channel surround sound, comfortable, adjustable sizing, and a microphone for voice chat. Razer is promoting the headset as one of the few Xbox 360 headsets providing full stereo-grade sound, with most third-party headsets offering lower sound quality.

The Razer Chimaera headset has a $129.99 MSRP.
Full Story: dailytech.com