Roccat Renga Vs. Roccat Cross
The Renga by Roccat, which uses a 50mm - Neodymium magnet driver. It uses a 3.5mm connection with a 2.5m cable. This delivers a frequency response of 20?20000Hz and a sensitivity of 110dB. It also has a omni-directional microphone and a sensitivity of -52dB. And only weighs in at 210g (Headset only).
The Cross by Roccat is a 2 channel gaming headset, which uses a 50mm neodymium driver. It uses a 2 x 3.5mm (3-pin) Mobile/Console: 1.2m (detachable), 1 x 3.5mm connection with a 2.35m (detachable) cable. This delivers a frequency response of 20-20000Hz and a sensitivity of 98dB. And only weighs in at 185g.