This product is either discontinued or we cannot get that from suppliers.
Razer RZ04-03180100 Kraken Ultimate - Usb Surround Sound Headset, Impedance 32 Ohm (1 kHz), USB Digital, Cable Length 2.0 m / 6.56 ft, Sensitivity 112 dB (1 kHz), Active noise-canceling Microphone, Volume Control (VOL + and VOL – buttons).
Hear the unfair advantage firsthand and be the last man standing with the Razer Kraken Ultimate. Armed with THX Spatial Audio, a highly tuned noise-canceling mic, and long-lasting comfort to provide the ultimate competitive gaming audio experience.