日本毛片A片AV高清免费视频

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Item No : HG-16
Name :
Detail : Diaphragm: Titaninm
Impedance:8Ω
Input power: 140W/Max
Frequence range: 2K-20KHz
S.P.L:102dB/w/m
Voice coil:   Φ75mmKSV
Magnet: Φ156×H20(50 OZ)