This is the software's flagship feature. Human ears are unique; the way we perceive direction and distance varies based on ear shape. The software runs a calibration test (listening to beeps from different angles) to create a personal audio profile. This ensures that the virtual 7.1 surround sound matches your specific hearing anatomy.
, a software engine designed to provide virtual 7.1 channel surround sound for pair of stereo headphones. Razer Surround Pro 1.18
While users may still seek specific older versions like 1.18 for compatibility with older Windows versions or legacy hardware, Razer has transitioned its software ecosystem: Razer 7.1 Surround Sound Overview (Explanation) This is the software's flagship feature