Hyper X Cloud Alpha Vs. Hyper X Cloud II
The Cloud Alpha by Hyper X is a 2 channel gaming headset, which uses a 50mm with neodymium magnets driver. It uses a 3.5mm plug (4 pole) + PC extension cable - 3.5mm stereo and mic plugs connection with a Detachable headset cable (1.3m) + PC extension cable (2m) cable. This delivers a frequency response of 13Hz - 27,000Hz and a sensitivity of 98dBSPL/mW at 1kHz. It also has a Electret condenser microphone with a frequency response of 50Hz-18,000Hz and a sensitivity of -43dBV (0dB=1V/Pa,1kHz). And only weighs in at 298g.
The Cloud II by Hyper X is a 2 channel gaming headset, which uses a 53mm driver. It uses a single mini stereo jack plug (3.5 mm) connection with a 1m + 2m extension cable. This delivers a frequency response of 15Hz - 25,000 Hz and a sensitivity of 98 +/- 3dB . It also has a Cardioid Condenser microphone with a frequency response of 50 - 18,000 Hz. And only weighs in at 350g.