Headphone active denoising device

The utility model provides a headphone active denoising device. The headphone active denoising device includes a headphone cavity as well as sound channel input interfaces, sound pick-ups, a signal processing circuit and an output device which are arranged in the headphone cavity; the signal processing circuit includes bass compensation circuits, a reverse amplification circuit and an output circuit; the sound channel input interfaces are connected with the bass compensation circuits; the output ends of the sound pick-ups are connected with the reverse amplification circuit; the output ends of the bass compensation circuits and the output end of the reverse amplification circuit are connected with the output circuit; and the output circuit is connected with the output device. According to the headphone active denoising device of the utility model, backward-feed enclosed type denoising design is adopted, more environmental noises can be counteracted, and static ripple noises can be avoided. The headphone active denoising device has the advantages of low power consumption, excellent denoising effect and high sound reduction degree.