The PXC 350 is a circumaural high-end travel headphone set with NoiseGard advance technology for active attenuation of ambient noise. The PXC 350 enables an unprecedented sound experience for people on the move, thanks to its adaptive baffle damping in combination with the patented Duofol diaphragms, which prevent unwanted partial oscillation and thus guarantee a highly natural, lifelike sound quality. The PXC 350 features the NoiseGard advance technology. This technology is a further development of the filter functions used in the original NoiseGard system and enables even better active attenuation of ambient noise of up to 85%. It is of course also possible to use this headphone passively, i.e. without NoiseGard and without batteries.