http://www.razerzone.com/tiamat/en/faq
du kanske bara har 2.0 stereo i? man kan ändra mellan 7.1 surround ljud elr 2.0 stereo.
Edit: tydligen så har windows automatisk stängt av subwoofer i headsetet.
How do I make the Subwoofers work in my headset? I have no bass response!
By default Windows has the Subwoofer channels disabled. Here are a few Windows settings we would like you to check and change to give you a better audio experience. By default Windows dose not send any signal to the sub channels.
To enable this we would like you to go to your Sound settings in the Control Panel and right click on your audio out-put device and click configure. Make sure to select 7.1 in each menu and click next and finished at the end.
Next right click your audio out-put device and go to Properties and click on the Enhancements tab. Now put the check mark in the box that says Bass Boost, then click Apply and OK. You should see a dramatic change in how your headset handles bass.
Please note this only applies to the default windows sound driver. If you have an aftermarket high end sound card please consult the manual or manufacturer on how to enable this feature.