In the front of the A70 are a pair of 2 - inch drivers with a 1 - inch tweeter to deliver that main channel, and a pair of 45 mm neodymium drivers on the sides to deliver the airSOUND spatial audio channel.
Aside from its Xbox Wireless tech, the LS35X headset packs 50 mmneodymiumdrivers and 3D surround sound via Windows Sonic for Headphones on Xbox One and Windows 10.