[jeezus]

this will be on the turtle beach px5 that will release later. i have never heard of this, kinda weird.
 
 
Sonic Lens™ + Sound Field Expander
Widen or narrow the sound field to focus on audio cues that are difficult to hear like footsteps sneaking up on you or the click of someone reloading in the distance.

 

[TMRaven]

Maybe it's their own proprietary dolby headphone that's specifically taylored for gaming, or their own proprietary stereo expander.  I can't imagine it being customizable though-- just an on/off thing.