4. What is the noise reduction effect of EH3 NC?

A: EH3 NC adopts two ADI professional noise reduction chips, two-way four microphone array digital noise reduction technology, front and back feed hybrid active noise reduction. And specially designed the super large front cavity structure which is conducive to noise reduction. It can effectively isolate the low-frequency and medium-frequency daily noise of vehicles; from the structure, it also has a passive dynamic noise reduction design to effectively isolate the high-frequency noise, and the noise reduction effect is comparable to that of the international famous headphones.

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