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NRR: 33dB ²î±ðµÄäöÎÐͼ°¸ºÍÓÐȤµÄÑÕÉ«Òý·¢ÌýÁ¦·À»¤³ÌÐò²¢ÔöÌíѱ·þÐÔ£» ÈáÈíÅÝÄ­ÖÊÁϺÍ׶ÐÍÉè¼ÆÌñ¾²ÎÂůµÄÌùºÏ¶úµÀ£» ÏÊÃ÷µÄÑÕÉ«±ãÓÚ¼ì²é¡£

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  • NRR: 33dB
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ƵÂÊ 63 125 500 1000 2000 3150 4000 6300 8000
ƽ¾ùË¥¼õ(dB) 30.8 36.1 39.2 39.5 35.8 42.2 42.1 46.1 46.1
±ê×¼Îó²î(dB) 6.5 6.7 4.7 3.9 4.9 4.2 3.1 4.4 3.3
  24.3 29.4 34.5 35.6 30.9 38.0 39.0 41.7 42.8

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