The Kraken 7.1 v2 by Razer, which uses a 50 mm, with Neodymium magnets driver. It uses a USB connection with a 2 m cable. This delivers a frequency response of 12 Hz – 28 kHz and a sensitivity of 123 dB. It also has a Active noise-cancelling on PC, unidirectional MEMS boom microphone with a frequency response of 100 Hz – 10 kHz and a sensitivity of -38 +/- 3 dB. And only weighs in at 346 g.
Kraken 7.1 Chroma
The Kraken 7.1 Chroma by Razer is a 7.1 virtual channel gaming headset, which uses a 40mm with Neodymium driver. It uses a USB, gold plated connection with a 2m/6.56ft, braided cable. This delivers a frequency response of 20Hz - 20kHz and a sensitivity of 112dB. It also has a Unidirectional microphone with a frequency response of 100Hz - 12kHz and a sensitivity of -40dB +/- 4dB. And only weighs in at 340g.