ear hearing amplifier harmonic distortion: When f<1000Hz <15%, when f>1000Hz< 10% frequency response: Should not narrowly

Most greatly saturated acoustic pressure level: 129dB+4Db Man Dangsheng increases: ≥38dBharmonic distortion: When f<1000Hz ≤15%, when f>1000Hz ≤10%frequency response: Should not narrowly in the 450Hz~3500Hzequivalent input noise: ≤30dBbattery model: 675suits the crowd: The loss of hearing moderate and the specific weight crowdproduces has the major and medium small three mushroom silica gel ear plug, and a battery chargerthis product may charge.

QTY:100PCSNW:3.05

GW:6.05KG Battery model:675 Color Box Size:13.4x11.5X6.1CM

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