Tiamat 2.2Razer Tiamat 2.2 is equipped with two additional discrete low frequency drivers for super deep bass.
From the Manufacturer
Introducing the Razer Tiamat 2.2, a serious gaming-grade stereo headset optimized for positional audio ensuring complete aural immersion in the heat of battle. This unprecedented headset is also outfitted with a bass driver in each highly comfortable leatherette-cushioned ear cup for maximum boom. Where ordinary headsets crack, the Razer Tiamat 2.2 stays rock solid under intense audio pressure be it in the first hour of gaming or the eleventh.