Looking for a real 5.1 gaming headset

Hey guys, i am looking for a real 5.1 gaming headset that come with an ampifler.

Can anyone recommend 1 for.

Thanks

Why does it have to come with an amplifier? That limits your options alot.

Here's a massive guide on the subject though http://www.head-fi.org/t/534479/mad-lust-envys-headphone-gaming-guide-updated-11-12-12-sennheiser-hd650-added