The Arctis Pro Wireless by Steelseries is a DTS Headphone: X v2.0 channel gaming headset, which uses a 40mm driver. It uses a USB, Optical, 3.5mm connection with a Lossless 2.4G & Bluetooth cable. This delivers a frequency response of 10 - 40,000 Hz and a sensitivity of 102 dBSPL. It also has a Bidirectional Noise-Canceling microphone with a frequency response of 100 - 10,000 Hz and a sensitivity of -38 dBV/Pa.
The G733 K/DA by Logitech, which uses a 40 mm driver. It uses a USB, Wireless connection This delivers a frequency response of 20 Hz - 20 KHz and a sensitivity of 87.5 dB SPL/mW. It also has a Cardioid (unidirectional) microphone with a frequency response of 100 Hz - 10 KHz. And only weighs in at 278g.