The Kraken Ultimate by Razer is a THX Spatial Audio channel gaming headset, which uses a 50mm, Custom-tuned driver. It uses a USB connection with a 2.0 m cable. This delivers a frequency response of 20 Hz - 20 kHz and a sensitivity of 112 dB. It also has a Unidirectional ECM, Active noise-canceling microphone with a frequency response of 100 Hz - 10 kHz and a sensitivity of -38 +/- 3 dB. And only weighs in at 390 g.
Kraken Pro V2
The Kraken Pro V2 by Razer, which uses a 50 mm, with Neodymium magnets driver. It uses a Analog 3.5 mm connection with a 1.3 m / plus 2 m / splitter adapter cable cable. This delivers a frequency response of 12 Hz – 28 kHz and a sensitivity of 118 dB. It also has a Unidirectional ECM boom microphone with a frequency response of 100 Hz – 10 kHz and a sensitivity of -38 +/- 3 dB. And only weighs in at 322 g.
