Sennheiser PXC 450 Noise Canceling Headphones

The PXC 450 is a circumaural high-end travel headphone set with NoiseGard 2.0 technology and TalkThrough function for the best possible attenuation of ambient noise. NoiseGard is an active noise compensation system which Sennheiser originally developed for use by pilots, who have to rely on good sound quality and efficient protection against ambient noise even in high-noise environments. NoiseGard actively compensates the noise, based on the physics principle of sound and counter-sound. Users of a PXC 450 who wish to communicate with their neighbors can do so without taking off the headphones: when the TalkThrough function is activated, professional quality microphones mounted on the outside of the headphones pick up all acoustic signals in the immediate vicinity. Unwanted background noise, such as the sound of the engines on a plane, is filtered out electronically to a great extent, so that only the neighbor's voice is passed on through the headphones into the user’s ear in top audio quality. minimize