The Kraken Pro 2015 by Razer is a 2 channel gaming headset, which uses a 40 mm, with neodymium magnets driver. It uses a 3.5mm, plus combined jack (headphone and mic) connection with a 1.3 m, plus 2m splitter adapter cable. This delivers a frequency response of 20 - 20,000 Hz and a sensitivity of 110 +/- 4dB at 1 kHz. It also has a Unidirectional microphone with a frequency response of 100 - 10,000 Hz and a sensitivity of -40 +/- 3 dB. And only weighs in at 300 g.
The Razer Kraken Pro gaming headset has been field-tested by countless pro-gamers and athletes to determine the optimal weight for extended gaming sessions as well as for unparalleled comfort on the go.