Ultra low noise operation, the operation of the process is almost no sound, fully in line with national environmental standards, can be placed indoors.

超低静音工作，机芯运作过程几乎不发生任何声响，完全符合国家环保标准，可以放在室内。

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The result shows that average absorption coefficient and noise reduction coefficient separately equal to0.58and0.60 and fine property of sound absorption at middle-low frequency.

结果表明材料的平均吸声系数和降噪系数分别达0。58和0。60，且材料的中低频吸声性能优良。

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The more low noise control, is the sound-absorbing effect with the censored box.

更低的噪音控制，就是加装具有吸音效果的消音箱。

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Future Sonics' natural noise isolation and quality sound at low volumes extends listening pleasure and greatly reduces hearing fatigue.

ENGADGET: Future Sonics debuts Atrio Special Edition professional earphones